Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Conservation of energy Newton's third law of motion Newton's first law of motion Backward thrust of gases produced Conservation of energy Newton's third law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics In a optical fibre cable, the signal is propagated along the Inner Core Surface and cladding Both core and cladding Cladding Inner Core Surface and cladding Both core and cladding Cladding ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Fixed dimension Change in frequency and dimension Fixed frequency Change in dimension only Fixed dimension Change in frequency and dimension Fixed frequency Change in dimension only ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 0 K 100K 373K 273K 0 K 100K 373K 273K ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Respiration does not take place at low temperature Photosynthesis does not take place at such low temperature Evaporation does not take place There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Photosynthesis does not take place at such low temperature Evaporation does not take place There is mechanical loss of tissues and drought condition prevails ANSWER DOWNLOAD EXAMIANS APP
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