Physics The energy that generates wind comes from what source? Anemometers Ocean currents Solar radiation None of these Anemometers Ocean currents Solar radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Temperature Frequency Velocity Wavelength Temperature Frequency Velocity Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Shaving mirros Driving mirrors Car headlights Dentists mirros Shaving mirros Driving mirrors Car headlights Dentists mirros ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Increase Will increase first and then dcrease Remain constant Dacrease Increase Will increase first and then dcrease Remain constant ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Polyesters Nylons Bakelit Polystyrene Polyesters Nylons Bakelit Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays ANSWER DOWNLOAD EXAMIANS APP
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