Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 0.01 1 × 1010 1 × 10–10 0.001 0.01 1 × 1010 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Non-coherent and non-monochromatic Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 1 second 2 seconds 0.5 second 1.5 second 1 second 2 seconds 0.5 second 1.5 second ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms erect (upright) image All of these It forms real image It forms smaller image as compared with object It forms erect (upright) image All of these It forms real image It forms smaller image as compared with object ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Interference Polarisation Reflection Refraction Interference Polarisation Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer is rising air pressure is Increasing Zero Decreasing Constant Increasing Zero Decreasing Constant ANSWER DOWNLOAD EXAMIANS APP
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