Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is used for sun glasses ? Crystal glass Crooks glass Pyrex glass Flint glass Crystal glass Crooks glass Pyrex glass Flint glass 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 energy associated with motion is called Both A & B Potential energy Kinetic energy None of these Both A & B Potential energy Kinetic energy None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? Roentgen Coolidge tube None of these X-ray tube Roentgen Coolidge tube None of these X-ray tube ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Reflection Refraction Interference Scattering Reflection Refraction Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
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