Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Protons Electrons Photons Photoelectrons Protons Electrons Photons Photoelectrons ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Wavelength Amplitude Frequency Loudness Wavelength Amplitude Frequency Loudness ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Rowing a boat in the lake Wind mill grinding wheat grain Driving a car to cover a distance Paddling the bicycle to cover a distance Rowing a boat in the lake Wind mill grinding wheat grain Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of heat radiation in vacuum is Equal to that of light Greater than that of light Less than that of light Equal to that of sound Equal to that of light Greater than that of light Less than that of light Equal to that of sound ANSWER DOWNLOAD EXAMIANS APP
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