Physics
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251
A tuning fork is vibrating at 250 Hz. The length of the shortest closed organ pipe that wi...
By Shilpi98, 4 years ago
replies 1
0
1
138
A plane electromagnetic wave with frequency of 30 MHz travels in free space. At particular...
By Shilpi98, 4 years ago
replies 1
0
1
249
The ratio of the equivalent resistance of the network (shown in figure) between the points...
By Shilpi98, 4 years ago
replies 1
0
1
224
An ac circuit has an inductor and a resistor of resistance R in series, such that XL = 3R....
By Shilpi98, 4 years ago
replies 1
0
1
211
A bullet of 10 g, moving with velocity v, collides head-on with the stationary bob of a pe...
By Shilpi98, 4 years ago
replies 1
0
1
386
Wires W1 and W2 are made of same material having the breaking stress of 1.25 × 10^9 N/m2. ...
By Shilpi98, 4 years ago
replies 1
0
1
199
A zener diode of power rating 2W is to be used as a voltage regulator. If the zener diode ...
By Shilpi98, 4 years ago
replies 1
0
1
123
X different wavelengths may be observed in the spectrum from a hydrogen sample if the atom...
By Shilpi98, 4 years ago
replies 1
0
1
148
Two simple harmonic motion, are represented by the equations y1 = 10 sin (3πt + π/3)
By Shilpi98, 4 years ago
replies 1
0
1
118
A heat engine operates between a cold reservoir at temperature T2 = 400 K and a hot reserv...
By Shilpi98, 4 years ago
replies 1
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