Physics MCQ Set 5

Question : A double convex lens acts as a diverging lens when the object is placed

1. At the focus
2. At 2f
3. Between f and 2f
4. Within the focal length

Question : Temperature is property which determines

1. How much total absolute energy a body has
2. Fraction of heat removed from a body
3. The ability of a body to transfer heat to other bodies
4. How much heat a body contains

Question : A round hole is cut in a metal plate and it is cooled. What will be the effect of the cooling on the size of the hole?

1. Remains same
2. Shrinks
3. Expands in size
4. None of these

Question : The value of specific heats of monoatomic gases is

1. Less than diatomic
2. Greater than diatomic
3. Equal to diatomic
4. Equal to polyatomic

Question : When air at 300K and 1 atmospheric pressure is compressed to one-twentieth of its original volume and 30 atmospheric pressure, the new temperature will be

1. 9000 K
2. 100 K
3. 450 K
4. 450° C

Question : If a unit charge experiences a force of 10N at a point in an electric field, then the electric field intensity in N/C is

1. 8
2. 9
3. 10
4. 11