Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing red at sunset Sun appearing higher in the sky than it actually is Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing red at sunset Sun appearing higher in the sky than it actually is Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Ionosphere Stratosphere Troposphere Mesosphere Ionosphere Stratosphere Troposphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In ________ motion of a body its velocity varies with time. Non-uniform Linear Uniform Equilibrium Non-uniform Linear Uniform Equilibrium ANSWER DOWNLOAD EXAMIANS APP
Physics Bending of light rays in denser medium is termed as: Reflection Deflection Refraction Dispersion Reflection Deflection Refraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 30 m 3 m 0.3 m 300 m 30 m 3 m 0.3 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
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