Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays X-rays The ultraviolet rays The infra-red rays G-rays X-rays The ultraviolet rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 90 cm. 60 cm. 30 cm. 120 cm. 90 cm. 60 cm. 30 cm. 120 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Negatively charged particles Neutral particles None of these Positively charged particles Negatively charged particles Neutral particles None of these Positively charged particles ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 60 units 6 units 0.6 units 600 units 60 units 6 units 0.6 units 600 units ANSWER DOWNLOAD EXAMIANS APP
Physics Who was the first scientist to discover Electrons? J.C. Bose Isaac Newton J.J Thompson Albert Einstein J.C. Bose Isaac Newton J.J Thompson Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
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