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More Physics GS Questions
- Which law states that "the rate of heat loss of a body is directly proportional to the temperature difference between the body and its surroundings"?
- The focal length of a concave mirror is 20 cm. Where should an object be placed to get an image of the same size?
- A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:
- Two point charges +q and −q are separated by a distance 2a. The electric field at a point on the perpendicular bisector at distance r from center is propor...
- Which physical quantity has unit “Joule/second”?
- Water flows in a horizontal pipe of non-uniform area of cross-section at a pressure difference of 1.6 cm of mercury. If the velocity of water at the larger...
- A lens forms an image of magnification -2. If the object is placed 15 cm from the lens, what is the image distance?
- In a convex lens, when the object is at infinity, then the position of image is ______.
- Which of the following best explains why cooking takes longer at high altitudes?
- The time period of a second’s pendulum is –
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