Physics The Laser is a beam of radiations which are Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Microwave All are operating at nearly the same propagation speed Radio wave Optical fiber Microwave All are operating at nearly the same propagation speed Radio wave Optical fiber ANSWER DOWNLOAD EXAMIANS APP
Physics A body falling through a liquid acquires a steady velocity is known as End velocity Touch down velocity Terminal velocity Steady state velocity End velocity Touch down velocity Terminal velocity Steady state velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Charged particles emitted by nucleus Neutral particles Electromagnetic radiations The electrons orbiting around the nucleus Charged particles emitted by nucleus Neutral particles Electromagnetic radiations The electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Shining white Rough white Shining black Rough black Shining white Rough white Shining black Rough black ANSWER DOWNLOAD EXAMIANS APP
Physics Shaving mirror is Concave Parabolic Convex Plane Concave Parabolic Convex Plane ANSWER DOWNLOAD EXAMIANS APP
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