Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) The gold piece will weigh more The silver piece will weigh more Weighing will depend on their masses Both silver and gold pieces weigh equal The gold piece will weigh more The silver piece will weigh more Weighing will depend on their masses Both silver and gold pieces weigh equal ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Astronomical distance ? Angstrom Weber Lux Light year Angstrom Weber Lux Light year ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Pure silicon Copper Platinum Nichrome Pure silicon Copper Platinum Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are None of these Positively charged particles Negatively charged particles Neutral particles None of these Positively charged particles Negatively charged particles Neutral particles ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 24 cm 6 cm 12 cm 1 cm 24 cm 6 cm 12 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
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