Physics The cover of a solar cooker is made of glass because It reflects sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It absorbs sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 36 m/s 18 m/s 30 m/s 25 m/s 36 m/s 18 m/s 30 m/s 25 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Ball bouncing on floor Motion of a ceiling fan Simple pendulum motion Earth spinning on its axis Ball bouncing on floor Motion of a ceiling fan Simple pendulum motion Earth spinning on its axis ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Diffraction Interference Polarization Reflection Diffraction Interference Polarization Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is accelerated, then the velocity will be also Increase Constant Decrease None of these Increase Constant Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ Below melting point Below freezing point At melting point Above melting point Below melting point Below freezing point At melting point Above melting point ANSWER DOWNLOAD EXAMIANS APP