Physics Coolis tube is used to produce Radio waves Micro waves Gama rays X-rays Radio waves Micro waves Gama rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective lens None of these combinations of lenses mirror lens None of these combinations of lenses mirror ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Gravitational force Low viscosity of oil Capillary action Pressure difference Gravitational force Low viscosity of oil Capillary action Pressure difference ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work even in cloudy conditions All of these they can detect faint galaxies which no optical telescope can they can work during the day and night they can work even in cloudy conditions All of these they can detect faint galaxies which no optical telescope can they can work during the day and night ANSWER DOWNLOAD EXAMIANS APP
Physics If a band is played on the moon the sound will Be heard upto 10km from it Be heard by us faintly Not be heard at any distance at all from it Reverberate Be heard upto 10km from it Be heard by us faintly Not be heard at any distance at all from it Reverberate ANSWER DOWNLOAD EXAMIANS APP
Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 3.33 km 1200 m 0.33 km 33 km 3.33 km 1200 m 0.33 km 33 km ANSWER DOWNLOAD EXAMIANS APP
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