Physics Which of the following property of sound is affected by change in air temperature? Amplitude Wavelength Frequency Intensity Amplitude Wavelength Frequency Intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear = 85 db None of these > 85 db < 85 db = 85 db None of these > 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Neither Both Only the glass tube Only the capillary tube Neither Both Only the glass tube Only the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Interference Diffraction Photoelectric effect Polarisation Interference Diffraction Photoelectric effect Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics The spoon dropped by an astronaut in a satellite will Move tangentially away Remain stationary Fall to the floor Continue to follow the motion of the satellite Move tangentially away Remain stationary Fall to the floor Continue to follow the motion of the satellite ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Transmit or absorb light of different colours Dispense light into component colours Refract light of different colours Reflect lights of different colours Transmit or absorb light of different colours Dispense light into component colours Refract light of different colours ANSWER DOWNLOAD EXAMIANS APP
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