List -I (Electromagnetic waves) | List - II (Wavelength) |
(a) AM radio waves | (i) \(10^{-10}~\mathrm{m}\) |
(b) Microwaves | (ii) \(10^{2} \mathrm{~m}\) |
(c) Infrared radiation | (iii) \(10^{-2} \mathrm{~m}\) |
(d) X-rays | (iv) \(10^{-4} \mathrm{~m}\) |
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (iv) | (iii) | (ii) | (i) |
3. | (iii) | (ii) | (i) | (iv) |
4. | (iii) | (iv) | (ii) | (i) |
If \(\lambda_X,\lambda_I,\lambda_M\) and \(\lambda_\gamma\) are the wavelengths of \(X\)-rays, infrared rays, microwaves and \(\gamma\)-rays respectively, then:
1. | \(\lambda_\gamma<\lambda_X<\lambda_I<\lambda_M\) |
2. | \(\lambda_M<\lambda_I<\lambda_X<\lambda_\gamma\) |
3. | \(\lambda_X<\lambda_\gamma<\lambda_M<\lambda_I\) |
4. | \(\lambda_X<\lambda_I<\lambda_\gamma<\lambda_M\) |
The E.M wave with the shortest wavelength among the following is:
1. | Ultraviolet rays | 2. | X-rays |
3. | Gamma-rays | 4. | Microwaves |
Which colour of the light has the longest wavelength?
1. violet
2. red
3. blue
4. green