Physics Which of the following options correctly explains the term heat budget? 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 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. ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Wavelength Loudness Amplitude Frequency Wavelength Loudness Amplitude Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is the SI unit of Frequency Power Weight Pressure Frequency Power Weight Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a result of Surface tension ? Viscosity Capillary action Radiation Gravitational pull Viscosity Capillary action Radiation Gravitational pull ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? All ice will melt Only some ice will melt All water will become ice No change will happen All ice will melt Only some ice will melt All water will become ice No change will happen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS