Physics When a light wave is reflected from a mirror, there is a change in its Amplitude Velocity Frequency Wavelength Amplitude Velocity Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates mechanical energy Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy Creates mechanical energy Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Velocity Frequency Displacement Acceleration Velocity Frequency Displacement Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Motion of a ceiling fan Ball bouncing on floor Simple pendulum motion Earth spinning on its axis Motion of a ceiling fan Ball bouncing on floor Simple pendulum motion Earth spinning on its axis ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are binaries novas and supernovas asteroids quasars binaries novas and supernovas asteroids quasars ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? In light rainfall, we face Sun The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky We face sun and raindrops In light rainfall, we face Sun The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky We face sun and raindrops ANSWER DOWNLOAD EXAMIANS APP
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