A converging lens will cause parallel rays of light to

A. Bend to meet at the focal point of the lens.
B. Remain parallel
C. Bend as though coming from the focal point of the lens.
D. Scatter in random directions.


Ans: A. Bend to meet at the focal point of the lens.

Physics & Space Science

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A mass is connected by a light string that passes over a pulley of mass M to a mass as shown in the figure. Both masses move vertically and there is no slippage between the string and the pulley. The pulley has a radius of 30.0 cm and a moment of inertia of If is 4.00 kg, is 3.00 kg and M is 6.00 kg, then what is the tension in the string that is attached to

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A. 36.2 N
B. 44.6 N
C. 58.2 N
D. 60.6 N
E. 74.5 N

Physics & Space Science

Radar observations made by Cassini have revealed the surface of Titan to have lakes of _______________ in its polar regions

Fill in the blank(s) with correct word

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The magnetic field going through a stationary circular loop increases from zero to 5 T in a certain time t. The induced current in the loop will depend on the radius of the loop, r, the resistance of the loop, R, and the time, t. If two of these stay constant, the induced current can be directly proportional to

a. t. b. r. c. R. d. none of these

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What produces the coronal gas?

What will be an ideal response?

Physics & Space Science