Assertion (A) : Ultraviolet radiations are scattered more as compared to the microwave radiations.

Reason (R) : Wavelength of ultraviolet radiation is more than the wavelength of microwave radiation.

1. Both A and R are true.
2. A is true but R is false.
3. A is false but R is true.
4. Both A and R are false.

When the stem of vibrating tuning fork is pressed on a table, the tabletop starts vibrating. These vibrations are definitely an example of:

1. resonance
2. natural vibrations
3. forced vibrations
4. damped vibrations

The specific resistance of a conductor depends on its:

1. length
2. material
3. area of cross section
4. radius

Identify the option that displays the correct wiring with correct colour code :

1.

2.

3.

4.