Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Stratosphere Ozonosphere Ionosphere Mesosphere Stratosphere Ozonosphere Ionosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The slope of a velocity-time graph represents Speed Displacement Acceleration Distance Speed Displacement Acceleration Distance ANSWER DOWNLOAD EXAMIANS APP
Physics A microscope used in pathological laboratories forms Magnified, virtual and inverted image Diminished, real and erect image Magnified, virtual, erect image Diminished, virtual and erect image Magnified, virtual and inverted image Diminished, real and erect image Magnified, virtual, erect image Diminished, virtual and erect image ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Refraction of light only Refraction and total internal reflection of light Dispersion of light only Total internal reflection of light only Refraction of light only Refraction and total internal reflection of light Dispersion of light only Total internal reflection of light only ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Change in dimension only Change in frequency and dimension Fixed dimension Fixed frequency Change in dimension only Change in frequency and dimension Fixed dimension Fixed frequency ANSWER DOWNLOAD EXAMIANS APP
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