Physics
A convex mirror is used:
- as a shaving mirror
- as a head mirror by a dentist
- as a rear view mirror by a driver
- as a reflector in torch
Related Questions
The image formed by a convex mirror is:
- erect and diminished
- erect and enlarged
- inverted and diminished
- inverted and enlarged
The image formed by a concave mirror is of the same size as the object, if the object is placed:
- at the focus
- between the pole and the focus
- between the focus and the centre of curvature
- at the centre of curvature
Assertion (A) : If a white light is passed through a prism, it splits into different colours.
Reason (R) : White light is a mixture of colours.
- Both A and R are true and R is the correct explanation of A
- Both A and R are true and R is not the correct explanation of A
- Assertion is true but reason is false
- Assertion is false but reason is true
Assertion (A) : The bottom of a pond appears shallower than its actual depth.
Reason (R) : Light rays from the bottom of the pond bend towards the normal as they pass from water to air.
- Both A and R are true and R is the correct explanation of A
- Both A and R are true and R is not the correct explanation of A
- Assertion is true but reason is false
- Assertion is false but reason is true