The mass and energy equivalent to 1 a.m.u. respectively are -
A train runs along an unbanked circular track of radius of 10 m at speed of 36 km/h. The mass of the train is 16 kg.
What is the an...
The intensity of any wave is proportional to which quantity?
A pulse of light duration 10-5 s is absorbed fully by a little object initially at rest. If the power of this pulse is 45 × 10-3...
A sphere of radius 1m encloses a charge of 10μC. Another charge of −5μC is placed inside the sphere. The net electric flux would be :
A soap bubble shows colours when illuminated with white light. This is due to –
The mass of a star is two times the mass of the Sun. How it will come to an end?
Specific resistance of a conductor increases with :
Current sensitivity of a moving coil galvanometer is 9 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 30 div/V. The...
