Physics The waves used in sonography are Ultrasonic waves Micro waves Infra-red waves Sound waves Ultrasonic waves Micro waves Infra-red waves Sound waves 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
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Working of binoculars Twinkling of stars Formation of mirage Formation of rainbow Working of binoculars Twinkling of stars Formation of mirage Formation of rainbow ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A vertical straight line A horizontal straight line A circle A parabola A vertical straight line A horizontal straight line A circle A parabola ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Lower wavelengths only Higher wavelengths only Intermediate wavelengths only All wavelengths Lower wavelengths only Higher wavelengths only Intermediate wavelengths only All wavelengths ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing red at sunset Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing higher in the sky than it actually is Sun appearing red at sunset Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing higher in the sky than it actually is ANSWER DOWNLOAD EXAMIANS APP
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