Physics - Single MCQs (Page 25)

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Q241. Find the power of a convex lens if the image formed is at a distance of 16 cm fr...Q242. Sound wane in air are ?...Q243. Which one of the following quantities does not have the unit?...Q244. Which one of the following is an scalar quantity?...Q245. The sunlight from sun to Earth reaches in ?...Q246. The unit of pressure is ?...Q247. The critical speed of an artificial satellite is?...Q248. A hoop and disc have same mass and radius. Their rotational K.E are related by a...Q249. The rotational K.E of hoop is equal to the?...Q250. Torque acting on a body determines?...