Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water decreases Boiling point of water increases Latent heat of vaporization of water increases Boiling point of water decreases Latent heat of vaporization of water decreases Boiling point of water increases Latent heat of vaporization of water increases Boiling point of water decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Geothermal energy Wind energy Tidal energy Solar energy Geothermal energy Wind energy Tidal energy Solar 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 It is easier for a man to swim in sea water, than in river water because The sea is-deeper than the river The sea is wider than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is-deeper than the river The sea is wider than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Electromagnetic Sound Heat Light Electromagnetic Sound Heat Light ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Parabolic mirror Plane mirror Convex mirror Concave mirror Parabolic mirror Plane mirror Convex mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
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