Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Physics An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of : 275 J 110 J 2750 J 110 J 275 J 110 J 2750 J 110 J ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Its freezing point is very low Alcohol is a poor conductor of heat It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily Its freezing point is very low Alcohol is a poor conductor of heat It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? A-rays B-rays G-rays X-rays A-rays B-rays G-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
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