Physics 'Parsec' is the unit measurement of Orbital velocity of giant stars Astronomical distance Brightness of heavenly bodies Density of stars Orbital velocity of giant stars Astronomical distance Brightness of heavenly bodies Density of stars ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Telescope Spectrometer Photometer Microscope Telescope Spectrometer Photometer Microscope ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Concave lens Convex lens Glass slab Prism Concave lens Convex lens Glass slab Prism ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is used to measure humidity? Psycho Meter Hygrometer Anemometer Hydrometer Psycho Meter Hygrometer Anemometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS