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As in ΔABC, PQ is parallel to BC then ΔAPQ is similiar to ΔABC, So by similarity, AP/AB = AQ/AC So 3/(3 + 7) = 3/AC or 3/10 = 3/AC or AC = 10 cm
In a concave mirror which of the following pair of position of object – size of the image is correct?
I. At infinity – point sized
Hyperrnetropia or longsight can be corrected by using :
Which of the following correctly ranks molecular speeds at a fixed temperature?
Why does a lemon appear larger when viewed from the side of a glass of water?
A 10 μF capacitor is charged to 50 V and then connected across an uncharged 20 μF capacitor. What is the final potential difference across both capac...
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"?
Which gate gives a high output only when both inputs are low?
Parsec is the unit of
The amount of light entering in eye is controlled by:
An electron and a proton are accelerated by the same potential difference. Which one has a longer de Broglie wavelength?
