Physics Why is it difficult to breathe at higher altitudes? Due to low air pressure Due to ozone Due to high humidity Due to low temperature Due to low air pressure Due to ozone Due to high humidity Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics It is easy to burst a gas-filled balloon with a needle than with a nail. It is because Needle exerts more pressure than nail on the balloon. Nail is more longer than needle. Nail exerts more pressure than needle on the balloon. Gas is reactive with the needle. Needle exerts more pressure than nail on the balloon. Nail is more longer than needle. Nail exerts more pressure than needle on the balloon. Gas is reactive with the needle. ANSWER DOWNLOAD EXAMIANS APP
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 metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Reach a particular height and start coming down Burst after reaching some height Reach a particular height and remain floating Continue going upwards uninterrupted Reach a particular height and start coming down Burst after reaching some height Reach a particular height and remain floating Continue going upwards uninterrupted ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following have the same unit ? Torque and moment of inertia Torque and angular momentum Work and torque Work and power Torque and moment of inertia Torque and angular momentum Work and torque Work and power ANSWER DOWNLOAD EXAMIANS APP
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