Physics Instrument used to study the behaviour of a vibrating string is : Barometer Hydrometer Sonometer Hygrometer Barometer Hydrometer Sonometer Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Equal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Equal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 2 and 3 only 1, 2 and 3 1 only 1 and 2 only 2 and 3 only 1, 2 and 3 1 only 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Physics One watt-hour is equivalent to 6.3 x 103 J 3.6 x 103 J 6.3 x 10-7 J 3.6 x 10-3 J 6.3 x 103 J 3.6 x 103 J 6.3 x 10-7 J 3.6 x 10-3 J ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon varies directly with its Speed None of these Wave length Frequency Speed None of these Wave length Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Gives strength to the engine Helps the engine in keeping the speed uniform Accelerates the speed of the engine Decreases the moment of inertia Gives strength to the engine Helps the engine in keeping the speed uniform Accelerates the speed of the engine Decreases the moment of inertia ANSWER DOWNLOAD EXAMIANS APP