Physics The spring balance works on the principle of ________ . Pascal's Law Bernoulli's principle Boyle's Law Hooke's Law Pascal's Law Bernoulli's principle Boyle's Law Hooke's Law ANSWER DOWNLOAD EXAMIANS APP
Physics In which form is the supplied heat energy stored during change in temperature of substance? Kinetic energy Both kinetic and potential energy Heat energy Potential energy Kinetic energy Both kinetic and potential energy Heat energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are None of these Earth's heat Both A & B Water None of these Earth's heat Both A & B Water 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 wavelength of X-ray photon is less than the wavelength of visible radiation photon. 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. Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. 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. Both the photons have different energies. ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics The wave like properties of electrons are useful in All of these Weather reports Magnifying objects Lasers All of these Weather reports Magnifying objects Lasers ANSWER DOWNLOAD EXAMIANS APP
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