Physics The velocity of the sound is highest in Air Water Metal Vacuum Air Water Metal Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Kinetic energy Rotational energy Motional energy Potential energy Kinetic energy Rotational energy Motional energy Potential energy 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 Dioptre is the unit of Sound intensity Light intensity Focal length of a lens Power of a lens Sound intensity Light intensity Focal length of a lens Power of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A ramp The pulley A lever A pair of scissors A ramp The pulley A lever A pair of scissors ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is ANSWER DOWNLOAD EXAMIANS APP
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