Electromagnetic Waves question

2020 · 5 Sep · Shift 2 · Q49

Electromagnetic Waves question

2020 · 5 Sep · Shift 2 · Q49

The correct match between the entries in column I and column II are :

I	II
Radiation	Wavelength
(a) Microwave	(i) 100 m
(b) Gamma rays	(ii) 10^–15 m
(c) A.M. radio waves	(iii) 10^–10 m
(d) X-rays	(iv) 10^–3 m

A
(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
B
(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
C
(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
D
(a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)

More from Electromagnetic Waves

Suppose that intensity of a laser is $\frac{315}{π}$ W/m2. The rms electric field, in units of V/m associated with this source is close to the nearest integer is . $\in$ 0 = 8.86 × 10–12 C2 Nm–2; c = 3 × 108…2020 · Numerical
For a plane electromagnetic wave, the magnetic field at a point x and time t is $B (x, t)$ = $[1.2 \times 10^{- 7} sin (0.5 \times 10^{3} x + 1.5 \times 10^{11} t) k]$ …2020 · MCQ
If the magnetic field in a plane electromagnetic wave is given by $B$ = 3 $\times$ 10-8 sin(1.6 $\times$ 103x + 48 $\times$ 1010t) $j$ T, then what will be expression for electric field ?2020 · MCQ
The electric field of a plane electromagnetic wave is given by $E = E_{0} \frac{i + j}{2} cos (k z + ω t)$ At t = 0, a positively charged particle is at the point (x, y, z) = $(0, 0, \frac{π}{k})$ …2020 · MCQ
A plane electromagnetic wave of frequency 25 GHz is propagating in vacuum along the z-direction. At a particular point in space and time, the magnetic field is given by $B = 5 \times 1 0^{- 8} j T$ . The…2020 · MCQ
The electric fields of two plane electromagnetic plane waves in vacuum are given by $E_{1} = E_{0} j cos (ω t - k x)$ and $E_{2} = E_{0} k cos (ω t - k y)$ …2020 · MCQ
A plane electromagnetic wave is propagating along the direction $\frac{i + j}{2}$ , with its polarization along the direction $k$ . The correct form of the magnetic field of the wave would be (here B0…2020 · MCQ
A plane electromagnetic wave travels in free space along the x-direction. The electric field component of the wave at a particular point of space and time is E = 6 V m–1 along y-direction. Its corresponding magnetic field component, B…2019 · MCQ