Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Conservation of energy Newton's third law of motion Newton's first law of motion Backward thrust of gases produced Conservation of energy Newton's third law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Photometer Spectrometer Telescope Microscope Photometer Spectrometer Telescope Microscope ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Revolution Convection Thermal Expansion Evaporation Revolution Convection Thermal Expansion Evaporation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following phenomenon helps to conclude that light is a transverse wave? Refraction Polarisation Interference Diffraction Refraction Polarisation Interference Diffraction 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 balance between incoming and outgoing radiation 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 a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation 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. ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Decreasing the focal length of the eyepiece None of these Increasing the focal length of the objective Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece None of these Increasing the focal length of the objective Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS