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aditi07
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Joined: Aug 19, 2020
Last seen: Aug 2, 2022
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Topics: 1354 / Replies: 5
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Topic
The quantities x = 1/√μ0∈0, y = E/B and z = ℓ/CR are defined where C–capacitance, R–Resistance, ℓ- length, E–Electric field
4 years ago
Forum
Physics
Replies: 0
Views: 228
Topic
Ten charges are placed on the circumference of a circle of radius R with constant angular separation between successive charges.
4 years ago
Forum
Physics
Replies: 0
Views: 411
Topic
The acceleration due to gravity on the earth's surface at the poles is g and angular velocity of the earth about the axis passing through the pole is ω.
4 years ago
Forum
Physics
Replies: 0
Views: 160
Topic
A galvanometer is used in laboratory for detecting the null point in electrical experiments.
4 years ago
Forum
Physics
Replies: 0
Views: 568
Topic
A spaceship in space sweeps stationary interplanetary dust. As a result, its mass increases at a rate dM(t)/dt = bv^2(t)
4 years ago
Forum
Physics
Replies: 0
Views: 276
Topic
A compound microscope consists of an objective lens of focal length 1 cm and an eyepiece of focal length 5 cm with a separation of 10 cm.
4 years ago
Forum
Physics
Replies: 0
Views: 153
Topic
A beam of electrons of energy E scatters from a target having atomic spacing of 1Å.
4 years ago
Forum
Physics
Replies: 0
Views: 458
Topic
In a resonance tube experiment when the tube is filled with water up to a height of 17.0 cm from bottom
4 years ago
Forum
Physics
Replies: 0
Views: 256
Topic
Number of molecules in a volume of 4 cm^3 of a perfect monoatomic gas at some temperature T and at a pressure of 2 cm of mercury is close to?
4 years ago
Forum
Physics
Replies: 0
Views: 708
Topic
A physical quantity z depends on four observables a, b, c and d, as z = a^2b^2/3/√cd^3.
4 years ago
Forum
Physics
Replies: 0
Views: 915
Topic
A wheel is rotating freely with an angular speed ω on a shaft. The moment of inertia of the wheel is I and the moment of inertia of the shaft
4 years ago
Forum
Physics
Replies: 0
Views: 401
Topic
The value of the acceleration due to gravity is g1 at a height h = R/2 (R = radius of the earth) from the surface of the earth.
4 years ago
Forum
Physics
Replies: 0
Views: 1061
Topic
An electrical power line, having a total resistance of 2Ω, delivers 1 kW at 220 V. The efficiency of the transmission line is approximate:
4 years ago
Forum
Physics
Replies: 0
Views: 172
Topic
A galvanometer of resistance G is converted into a voltmeter of range 0 - 1V by connecting a resistance R1 in series with it.
4 years ago
Forum
Physics
Replies: 0
Views: 182
Topic
A bullet of mass 5 g, travelling with a speed of 210 m/s, strikes a fixed wooden target.
4 years ago
Forum
Physics
Replies: 0
Views: 487
Topic
Consider the following equations : 2Fe^2+ + H2O2 → xA + yB (in basic medium)
4 years ago
Forum
Chemistry
Replies: 0
Views: 924
Topic
The number of chiral centres present in threonine is ………….
4 years ago
Forum
Chemistry
Replies: 0
Views: 147
Topic
A 100 mL solution was made by adding 1.43 g of Na2CO3.xH2O. The normality of the solution is 0.1 N.
4 years ago
Forum
Chemistry
Replies: 0
Views: 939
Topic
The osmotic pressure of a solution of NaCl is 0.10 atm and that of a glucose solution is 0.20 atm.
4 years ago
Forum
Chemistry
Replies: 0
Views: 1193
Topic
The number of molecules with energy greater than the threshold energy for a reaction increases fivefold by a rise of temperature from 27ºC to 42ºC.
4 years ago
Forum
Chemistry
Replies: 0
Views: 274
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