Notifications

Clear all

The Human Eye and Colourful World

Page 1 / 30 Next

Topic Title

Last Post

Why does the sky appear dark instead of blue to an astronaut?

Jaiyush19, 8 months ago

Votes

Answers

Views

By nimit
8 months ago

Why does the sun appear reddish early in the morning?

Jaiyush19, 8 months ago

Votes

Answers

213

Views

By nimit
8 months ago

Explain why the planets do not twinkle.

Jaiyush19, 8 months ago

Votes

Answers

Views

By nimit
8 months ago

Why do stars twinkle?

Jaiyush19, 8 months ago

Votes

Answers

126

Views

By nimit
8 months ago

What happens to the image distance in the eye when we increase the dis...

Jaiyush19, 8 months ago

Votes

Answers

252

Views

By nimit
8 months ago

Why is a normal eye not able to see clearly the objects placed closer ...

Jaiyush19, 8 months ago

Votes

Answers

262

Views

By nimit
8 months ago

Make a diagram to show how hypermetropia is corrected. The near point ...

Jaiyush19, 8 months ago

Votes

Answers

168

Views

By nimit
8 months ago

The far point of a myopic person is 80 cm in front of the eye. What is...

Jaiyush19, 8 months ago

Votes

Answers

248

Views

By nimit
8 months ago

A person needs a lens of power -5.5 D for correcting his distant visio...

Jaiyush19, 8 months ago

Votes

Answers

266

Views

By nimit
8 months ago

The change in focal length of an eye lens is caused by the action of t...

Jaiyush19, 8 months ago

Votes

Answers

267

Views

By nimit
8 months ago

Page 1 / 30 Next

Forum Statistics

321 Forums

27.1 K Topics

53.3 K Posts

7 Online

41.9 K Members

Latest Post: Lichens do not like to grow in cities Our newest member: Ten Steps To Sex Toys Order On... Recent Posts Unread Posts Tags

Forum Icons: Forum contains no unread posts Forum contains unread posts

Topic Icons: Not Replied Replied Active Hot Sticky Unapproved Solved Private Closed

Super Globals

Requests: Array ( )

Server: Array ( )

Options and Features

permastruct: community
use_home_url: 0
url: https://eanshub.com/community/
Array
(
    [title] =>  Forum
    [description] =>  Discussion Board
    [lang] => 1
)
pageid:187
default_groupid: 3
Array
(
    [layout_extended_intro_topics_toggle] => 1
    [layout_extended_intro_topics_count] => 5
    [layout_extended_intro_topics_length] => 45
    [layout_qa_intro_topics_toggle] => 1
    [layout_qa_intro_topics_count] => 0
    [layout_qa_intro_topics_length] => 90
    [layout_threaded_intro_topics_toggle] => 0
    [layout_threaded_filter_buttons] => 1
    [layout_threaded_add_topic_button] => 1
    [layout_threaded_intro_topics_count] => 10
    [layout_threaded_intro_topics_length] => 0
    [display_current_viewers] => 1
    [layout_threaded_display_subforums] => 1
)
Array
(
    [layout_extended_intro_posts_toggle] => 1
    [layout_extended_intro_posts_count] => 4
    [layout_extended_intro_posts_length] => 50
    [layout_qa_posts_per_page] => 15
    [layout_qa_comments_limit_count] => 10
    [layout_qa_first_post_reply] => 1
    [comment_body_min_length] => 2
    [comment_body_max_length] => 0
    [layout_threaded_posts_per_page] => 5
    [layout_threaded_nesting_level] => 5
    [layout_threaded_first_post_reply] => 0
    [union_first_post] => Array
        (
            [3] => 1
            [2] => 0
            [1] => 0
            [4] => 0
        )

[topic_body_min_length] => 2
    [topic_body_max_length] => 0
    [post_body_min_length] => 2
    [post_body_max_length] => 0
    [recent_posts_type] => topics
    [tags] => 1
    [max_tags] => 5
    [tags_per_page] => 100
    [edit_topic] => 1
    [edit_post] => 1
    [edit_log_display_limit] => 0
    [display_current_viewers] => 1
    [display_recent_viewers] => 1
    [display_admin_viewers] => 1
    [topics_per_page] => 10
    [eot_durr] => 0
    [dot_durr] => 0
    [posts_per_page] => 20
    [eor_durr] => 0
    [dor_durr] => 0
    [search_max_results] => 100
    [max_upload_size] => 10485760
    [attach_cant_view_msg] => You are not permitted to view this attachment
    [toolbar_location_topic] => top
    [toolbar_location_reply] => top
)
Array
(
    [online_status_timeout] => 240
    [members_per_page] => 15
    [url_structure] => nicename
    [search_type] => search
    [login_url] => 
    [register_url] => 
    [lost_password_url] => 
    [redirect_url_after_login] => 
    [redirect_url_after_register] => 
    [redirect_url_after_confirm_sbscrb] => 
    [custom_title_is_on] => 1
    [default_title] => Member
    [rating] => Array
        (
            [0] => Array
                (
                    [points] => 0
                    [title] => New Member
                    [color] => #d2d2d2
                    [icon] => far fa-star-half
                )

[1] => Array
                (
                    [points] => 5
                    [title] => Active Member
                    [color] => #4dca5c
                    [icon] => fas fa-star
                )

[2] => Array
                (
                    [points] => 20
                    [title] => Eminent Member
                    [color] => #4dca5c
                    [icon] => fas fa-star
                )

[3] => Array
                (
                    [points] => 50
                    [title] => Trusted Member
                    [color] => #4dca5c
                    [icon] => fas fa-star
                )

[4] => Array
                (
                    [points] => 100
                    [title] => Estimable Member
                    [color] => #4dca5c
                    [icon] => fas fa-star
                )

[5] => Array
                (
                    [points] => 250
                    [title] => Reputable Member
                    [color] => #4dca5c
                    [icon] => fas fa-star
                )

[6] => Array
                (
                    [points] => 500
                    [title] => Honorable Member
                    [color] => #e5d600
                    [icon] => fas fa-certificate
                )

[7] => Array
                (
                    [points] => 750
                    [title] => Prominent Member
                    [color] => #e5d600
                    [icon] => fas fa-certificate
                )

[8] => Array
                (
                    [points] => 1000
                    [title] => Noble Member
                    [color] => #e5d600
                    [icon] => fas fa-certificate
                )

[9] => Array
                (
                    [points] => 2500
                    [title] => Famed Member
                    [color] => #ff812d
                    [icon] => fas fa-shield-alt
                )

[10] => Array
                (
                    [points] => 5000
                    [title] => Illustrious Member
                    [color] => #e04a47
                    [icon] => fas fa-trophy
                )

)

[rating_title_ug] => Array
        (
            [5] => 1
            [4] => 1
            [3] => 1
        )

[rating_badge_ug] => Array
        (
            [1] => 1
            [5] => 1
            [4] => 1
            [2] => 1
            [3] => 1
        )

[title_usergroup] => Array
        (
            [1] => 1
            [5] => 1
            [4] => 1
            [2] => 1
        )

[title_second_usergroup] => Array
        (
            [3] => 1
        )

[4] => Array
                (
                    [id] => 4
                    [name] => Threaded
                    [version] => 1.0.0
                    [description] => Threaded layout turns your forum to a threads list accented on discussion tree view.
                    [author] => gVectors Team
                    [url] => http://gvectors.com/
                    [file] => classic/layouts/4/forum.php
                )

[1] => Array
                (
                    [id] => 1
                    [name] => Extended
                    [version] => 1.0.0
                    [description] => Extended layout displays one level deeper information in advance.
                    [author] => gVectors Team
                    [url] => http://gvectors.com/
                    [file] => classic/layouts/1/forum.php
                )

[3] => Array
                (
                    [id] => 3
                    [name] => QA
                    [version] => 1.0.0
                    [description] => Q&A Layout turns your forum to a powerful question and answer discussion board.
                    [author] => gVectors Team
                    [url] => http://gvectors.com/
                    [file] => classic/layouts/3/forum.php
                )

)

[style] => orange
    [styles] => Array
        (
            [default] => Array
                (
                    [0] => #000000
                    [1] => #FFFFFF
                    [2] => #333333
                    [3] => #555555
                    [4] => #666666
                    [5] => #777777
                    [6] => #999999
                    [7] => #CCCCCC
                    [8] => #E6E6E6
                    [9] => #F5F5F5
                    [10] => #DADADA
                    [11] => #659FBE
                    [12] => #43A6DF
                    [13] => #72CCFC
                    [14] => #0099CC
                    [15] => #3F7796
                    [16] => #4A8EB3
                    [17] => #DFF4FF
                    [20] => #FF812D
                    [30] => #4DCA5C
                    [31] => #00A636
                    [32] => #86BA4C
                    [33] => #6FA634
                    [40] => #FF9595
                    [41] => #FF7575
                    [42] => #F46464
                )

[red] => Array
                (
                    [0] => #000000
                    [1] => #ffffff
                    [2] => #333333
                    [3] => #555555
                    [4] => #666666
                    [5] => #777777
                    [6] => #999999
                    [7] => #cccccc
                    [8] => #e6e6e6
                    [9] => #f5f5f5
                    [10] => #dadada
                    [11] => #e0141e
                    [12] => #ee1a26
                    [13] => #fc979c
                    [14] => #e0141e
                    [15] => #99262b
                    [16] => #d61319
                    [17] => #fff7f7
                    [20] => #30b2a7
                    [30] => #4dca5c
                    [31] => #00a636
                    [32] => #86ba4c
                    [33] => #6fa634
                    [40] => #ff9595
                    [41] => #ff7575
                    [42] => #f46464
                )

[green] => Array
                (
                    [0] => #000000
                    [1] => #ffffff
                    [2] => #333333
                    [3] => #555555
                    [4] => #666666
                    [5] => #777777
                    [6] => #999999
                    [7] => #cccccc
                    [8] => #e6e6e6
                    [9] => #f5f5f5
                    [10] => #dadada
                    [11] => #6ea500
                    [12] => #649e2d
                    [13] => #8dce0c
                    [14] => #447714
                    [15] => #5a7f10
                    [16] => #6ea500
                    [17] => #f8fcef
                    [20] => #ff812d
                    [30] => #4dca5c
                    [31] => #00a636
                    [32] => #ff812d
                    [33] => #f47222
                    [40] => #ff9595
                    [41] => #ff7575
                    [42] => #f46464
                )

[orange] => Array
                (
                    [0] => #000000
                    [1] => #ffffff
                    [2] => #333333
                    [3] => #555555
                    [4] => #666666
                    [5] => #777777
                    [6] => #999999
                    [7] => #cccccc
                    [8] => #e6e6e6
                    [9] => #f5f5f5
                    [10] => #dadada
                    [11] => #e0762f
                    [12] => #ff6600
                    [13] => #fc9958
                    [14] => #f26000
                    [15] => #aa4f12
                    [16] => #f26000
                    [17] => #fff4ed
                    [20] => #ff812d
                    [30] => #4dca5c
                    [31] => #00a636
                    [32] => #86ba4c
                    [33] => #6fa634
                    [40] => #ff9595
                    [41] => #ff7575
                    [42] => #f46464
                )

[grey] => Array
                (
                    [0] => #000000
                    [1] => #ffffff
                    [2] => #333333
                    [3] => #343434
                    [4] => #666666
                    [5] => #777777
                    [6] => #999999
                    [7] => #cccccc
                    [8] => #e6e6e6
                    [9] => #f5f5f5
                    [10] => #dadada
                    [11] => #888888
                    [12] => #666666
                    [13] => #7eea8d
                    [14] => #777777
                    [15] => #333333
                    [16] => #555555
                    [17] => #dff4ff
                    [20] => #ff812d
                    [30] => #4dca5c
                    [31] => #00a636
                    [32] => #86ba4c
                    [33] => #6fa634
                    [40] => #ff9595
                    [41] => #ff7575
                    [42] => #f46464
                )

[dark] => Array
                (
                    [0] => #000000
                    [1] => #141414
                    [2] => #bbbbbb
                    [3] => #000000
                    [4] => #666666
                    [5] => #bcbcbc
                    [6] => #999999
                    [7] => #585858
                    [8] => #727272
                    [9] => #323232
                    [10] => #dadada
                    [11] => #888888
                    [12] => #33779b
                    [13] => #7eea8d
                    [14] => #777777
                    [15] => #e0e0e0
                    [16] => #cecece
                    [17] => #33779b
                    [20] => #ff812d
                    [30] => #4dca5c
                    [31] => #00a636
                    [32] => #86ba4c
                    [33] => #6fa634
                    [40] => #ff9595
                    [41] => #ff7575
                    [42] => #f46464
                )

)

)
classic

Forum

The Human Eye and Colourful World

Super Globals

Options and Features

How Can We Help?

Home

About Us

Contact Us

Privacy Policy

Term of Use

Copyright © 2020 Eanshub

All Rights Reserved