31.
Statement I Due to diffused or irregular reflection of light, a closed room gets light even if no direct sunlight falls inside the room.
Statement II Irregular reflection, where the reflected rays are not parallel, does not follow the laws of reflection.

32.
In case of a compound microscope, which of the following statements is/are correct?
1. The focal length of the eyepiece is larger than the focal length of the objective.
2. The focal length of the eyepiece is smaller than the focal length of the objective.
3. The image produced in a normal optical microscope is real.
4. The image produced in a normal optical microscope is virtual.
Select the correct answer:

38.
An object is placed at the centre of curvature of a concave mirror of focal length 16 cm. If the object is shifted by 8 cm towards the focus, then the nature of the image would be

39.
Which of the following is wrong about C.V. Raman?

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