Physics When water freezes its density Increases Becomes Zero Decreases Remains constant Increases Becomes Zero Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Doppler effect Echo Resonance Beats Doppler effect Echo Resonance Beats ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest energy? Blue Red Violet White Blue Red Violet White ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension? Force and rate of change of linear momentum Planck's constant and Angular momentum Impulse and moment of force Pressure and Young's modules Force and rate of change of linear momentum Planck's constant and Angular momentum Impulse and moment of force Pressure and Young's modules ANSWER DOWNLOAD EXAMIANS APP
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