Physics
A glass slab is placed over a piece of paper on which VGYR is printed with letter V in violet, G in green, Y in yellow and R in red colour. The letter of colour …………… appears to be the most raised.
- red
- green
- yellow
- violet
Related Questions
The shift by which an object appears to be raised depends on:
- the refractive index of the medium
- the thickness of denser medium
- the wavelength of incident light
- all of the above
An object when placed in a rarer medium and is viewed from a denser medium appears to be at a …………… distance than its real distance.
- smaller
- greater
- same
- cannot say
Assertion (A): The stars twinkle while the planets do not.
Reason (R): Stars are more distant than the planets.
- 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 false but reason is true.
- assertion is true but reason is false.
Assertion (A): An empty test tube placed in water in a beaker with its mouth outside the water surface appears silvery when viewed from a suitable direction.
Reason (R): The substance in water appears silvery due to refraction of light.
- 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 false but reason is true.
- assertion is true but reason is false.