Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays X-rays The infra-red rays The ultraviolet rays G-rays X-rays The infra-red rays The ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What property of matter is momentum related to? None of these Both A & B Mass Velocity None of these Both A & B Mass Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Shaving mirror is Concave Parabolic Plane Convex Concave Parabolic Plane Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is false about displacement? Its SI unit is meter It can be positive, negative or zero Displacement is never greater than Distance It is always positive Its SI unit is meter It can be positive, negative or zero Displacement is never greater than Distance It is always positive ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
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