The phenomenon involved in the reflection of radio waves by the ionosphere is similar to:
- Adispersion of light by water molecules during the formation of a rainbow
- Breflection of light by a plane mirror
- Cscattering of light by air particles
- Dtotal internal reflection of light in air during a mirage
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Similar Questions
$A$ jar of height $h$ is filled with a transparent liquid of refractive index $\mu$. At the centre of the jar on the bottom surface is a dot. Find the minimum diameter of a disc,such that when placed on the top surface symmetrically about the centre,the dot is invisible.
Medium
View Solution$A$ ray of light travels from a denser medium $(\mu)$ to air. The angle of incidence is denoted by $i$ and the angle of deviation by $D$. Let $C = \sin^{-1}(1/\mu)$. Which of the following graphs is correct?
Difficult
View SolutionWhat will be the minimum angle of incidence $i$ such that total internal reflection takes place at both interfaces (in $^{\circ}$)? (Given: $\mu_1 = \sqrt{2}, \mu_2 = 2, \mu_3 = \sqrt{3}$)
Medium
View SolutionTotal internal reflection of a ray of light is possible when the ($i_c$ = critical angle,$i$ = angle of incidence)
Easy
View Solution$A$ glass slab has a refractive index ' $\mu$ ' with respect to air,and the critical angle for a ray of light going from glass to air is ' $\theta$ '. If a ray of light is incident from air on the glass with an angle of incidence ' $\theta$ ',then the corresponding angle of refraction is:
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