If the r.m.s. velocity of a gas is v, then
If the r.m.s. velocity of a gas is v, then Options (a) v²T=constant (b) v²/T=constant (c) vT²=constant (d) v is…
7 years ago
OA2007
Ist law of thermadynamics is based on
Ist law of thermodynamics is based on Options (a) Conservation of momentum (b) Conservation of energy (c) Conservation of mass…
7 years ago
In depletion layer of unbiased P-N junction
In depletion layer of unbiased P-N junction Options (a) It is devoid of charge carriers (b) Has only electrons (c)…
7 years ago
The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected to its…
7 years ago
An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
An ideal heat engine works between temperature T₁=500 K and T₂=375 K. If the engine absorbs 600J of heat from…
7 years ago
If the rise in height of capillary of two tubes is 6.6 cm and 2.2 cm
If the rise in height of capillary of two tubes is 6.6 cm and 2.2 cm, then the ratio of…
7 years ago
A glass flask weighing 390 g having internal volume 500 cc just floats
A glass flask weighing 390 g having internal volume 500 cc just floats when half of it is filled with…
7 years ago
A body starts from rest with an acceleration of 2 m/s². After 5 second,
A body starts from rest with an acceleration of 2 m/s². After 5 second, the direction of acceleration reverses again…
7 years ago
40 g of Argon is heated from 40⁰C to 100⁰C (R=2 cal/mole). Heat absorbed at constant
40 g of Argon is heated from 40⁰C to 100⁰C (R=2 cal/mole). Heat absorbed at constant volume is Options (a)…
7 years ago
A body undergoes no change in volume. Poisson’s ratio is
A body undergoes no change in volume. Poisson's ratio is Options (a) 0.5 (b) 0.05 (c) 0.25 (d) 2.5 Correct…
7 years ago