Physics While catching a ball, a player pulls down his hands to lower the– Force Momentum Impulse Catching time Force Momentum Impulse Catching time ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Infrared Radio frequency Satellite Microwave Infrared Radio frequency Satellite Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Radiation Convection Both conduction and convection Conduction Radiation Convection Both conduction and convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? Nine times Six times Three times One–third Nine times Six times Three times One–third ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It reflects most of the heat from the sun It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion ANSWER DOWNLOAD EXAMIANS APP
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