Physics Stars in the sky appear to twinkle due to A series of refractions A surface tension phenomenon Multiple diminishing brightness A series of reflections A series of refractions A surface tension phenomenon Multiple diminishing brightness A series of reflections ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Air gap is created between the two surfaces Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Air gap is created between the two surfaces Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirror is generally used in ________ Reflector for head light Rear view mirror Opthalmoscope Solar cookers Reflector for head light Rear view mirror Opthalmoscope Solar cookers ANSWER DOWNLOAD EXAMIANS APP
Physics If a band is played on the moon the sound will Be heard upto 10km from it Be heard by us faintly Reverberate Not be heard at any distance at all from it Be heard upto 10km from it Be heard by us faintly Reverberate Not be heard at any distance at all from it ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Decreased by 2% Decreased by 4% Increased by 2% Increased by 4% Decreased by 2% Decreased by 4% Increased by 2% Increased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics Scalar Quantities are Physical quantities which have magnitude only and no direction Physical quantities which have no magnitude and no direction Physical quantities which have no magnitude only and only direction Physical quantities which have magnitude only and direction Physical quantities which have magnitude only and no direction Physical quantities which have no magnitude and no direction Physical quantities which have no magnitude only and only direction Physical quantities which have magnitude only and direction ANSWER DOWNLOAD EXAMIANS APP
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