Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV < lIR < lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV > lIR > lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. A will reach the ground first. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. A will reach the ground first. B will reach the ground first. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Persistence of vision Principle of complementary colour Formation of pure spectra Formation of impure spectra Persistence of vision Principle of complementary colour Formation of pure spectra Formation of impure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Atmospheric refraction Dispersion of light Total internal reflection Atmospheric reflection Atmospheric refraction Dispersion of light Total internal reflection Atmospheric reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Troposphere Ionosphere Chromosphere Stratosphere Troposphere Ionosphere Chromosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground. 0.044444444444444 0.043055555555556 Cannot be found from the given information. 0.042361111111111 0.044444444444444 0.043055555555556 Cannot be found from the given information. 0.042361111111111 ANSWER DOWNLOAD EXAMIANS APP
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