Physics The device used to change the speed of an electric fan is Amplifier Switch Regulator Rectifier Amplifier Switch Regulator Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Nuclear Force Centripetal Force Gravitational Force Electromagnetic Force Nuclear Force Centripetal Force Gravitational Force Electromagnetic Force ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Burst after reaching some height Continue going upwards uninterrupted Reach a particular height and remain floating Reach a particular height and start coming down Burst after reaching some height Continue going upwards uninterrupted Reach a particular height and remain floating Reach a particular height and start coming down ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? We face sun and raindrops In light rainfall, we face Sun The sky remains clear and the sun is at lower position in the sky The Sun remains behind us and we face raindrops We face sun and raindrops In light rainfall, we face Sun The sky remains clear and the sun is at lower position in the sky The Sun remains behind us and we face raindrops ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of stone is immersed in water, it displaces water of equal Density Specific gravity Volume Mass Density Specific gravity Volume Mass ANSWER DOWNLOAD EXAMIANS APP
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