Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Hygrometer Barometer Sonometer Hydrometer Hygrometer Barometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicle tyres are inflated properly To allow the vehicle to take more load. To go fast and save fuel. To ensure smooth running. To avoid skidding and to minimise friction To allow the vehicle to take more load. To go fast and save fuel. To ensure smooth running. To avoid skidding and to minimise friction ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. Visible, infrared, microwave, X-rays X -rays, visible, infrared, microwave X - rays, infrared, visible, microwave Microwave, infrared, visible. X-rays Visible, infrared, microwave, X-rays X -rays, visible, infrared, microwave X - rays, infrared, visible, microwave Microwave, infrared, visible. X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Hydrometer Barometer Hygrometer Lactometer Hydrometer Barometer Hygrometer Lactometer ANSWER DOWNLOAD EXAMIANS APP
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