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 Echo Beats Resonance Doppler effect Echo Beats Resonance Doppler effect ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Decreases Remains constant Increases Becomes Zero Decreases Remains constant Increases Becomes Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Compressions and Rarefactions are characteristic of Neither of A & B Transverse waves Both A & B Longitudinal waves Neither of A & B Transverse waves Both A & B Longitudinal waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? 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. It is a mode of transfer of heat through matter by molecular activity. ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Increases with height of the wall Increases with depth of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with height of the wall Increases with depth of the wall Depends on the thickness of the wall Depends on the area of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Stone chips Steel Glass - wool Glass pieces Stone chips Steel Glass - wool Glass pieces ANSWER DOWNLOAD EXAMIANS APP
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