Physics The inability of a body to change its state of rest or uniform motion along a straight line is called its Acceleration Velocity Inertia Momentum Acceleration Velocity Inertia Momentum 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 speeds of both the photons in vacuum are different Both the photons have different energies. 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. The speeds of both the photons in vacuum are different Both the photons have different energies. 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. ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be > P 2P P < P > P 2P P < P ANSWER DOWNLOAD EXAMIANS APP
Physics At boiling point of liquids, its Temperature remains constant Temperature increases Atmospheric pressure increases Vapour pressure decreases Temperature remains constant Temperature increases Atmospheric pressure increases Vapour pressure decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 42 years 42 seconds 4.2 years 4.2 seconds 42 years 42 seconds 4.2 years ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 25 J 20 J 40 J 10 J 25 J 20 J 40 J 10 J ANSWER DOWNLOAD EXAMIANS APP
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