Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall behind him None of these Fall in front of him Fall into his hand Fall behind him None of these Fall in front of him Fall into his hand ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Speed Medium Amplitude Source Speed Medium Amplitude Source ANSWER DOWNLOAD EXAMIANS APP
Physics An atom bomb based upon the principal of ________ Nuclear fussion Nuclear fission Controlled chain reaction None of these Nuclear fussion Nuclear fission Controlled chain reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of the human body (dry condition) is of the order of 101 Ohm 102 Ohm 103 Ohm None of these 101 Ohm 102 Ohm 103 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of G-ray Infrared ray Ultraviolet ray X-ray G-ray Infrared ray Ultraviolet ray X-ray 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 wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS