All India Engineering / Architecture Entrance Examination (AIEEE)

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AIEEE 2008 Physics

Q. 33. A spherical solid ball of volume V is made of a material of density . It is falling through a liquid of density. Assume that the liquid applies a viscous force on the ball that is proportional to the square of its speed . The terminal speed of the ball is.

Sol:

Q. 34. Shown in the figure is a meter-bridge set up with null deflection in the galvanometer. The value of the unknown resistor R is

Sol:

Q. 35. While measuring the speed of sound by performing a resonance column experiment, a student gets the first resonance condition at a column length of 18 cm during winter. Repeating the same experiment during summer, she measures the column length to be x cm for the second resonance. Then

1. 54 > x > 36
2. 36 > x > 18
3. 18 > x
4. x > 54

Sol: