Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? -11.25 diopters 3.75 diopters -3.75 diopters 11.25 diopters -11.25 diopters 3.75 diopters -3.75 diopters 11.25 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics The spring balance works on the principle of ________ . Pascal's Law Hooke's Law Bernoulli's principle Boyle's Law Pascal's Law Hooke's Law Bernoulli's principle Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Less than weight of the wood More than weight of the wood Equal to the weight of the wood Zero Less than weight of the wood More than weight of the wood Equal to the weight of the wood Zero ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 5 Km/Sec. 15 Km/Sec. 11 Km/Sec. 6 Km/Sec. 5 Km/Sec. 15 Km/Sec. 11 Km/Sec. 6 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest energy? Blue Red Violet White Blue Red Violet White ANSWER DOWNLOAD EXAMIANS APP
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