Advertisements
Advertisements
प्रश्न
When light travels from a rarer to a denser medium, its speed ______.
Advertisements
उत्तर
When light travels from a rarer to a denser medium, its speed decreases.
संबंधित प्रश्न
What is a spectrum?
Define refraction and state the laws of refraction.
How must light travel out of a substance if it is not going to be refracted?
When a lighted candle is held in front of a thick plane glass mirror, several images can be seen, but the second image is the brightest, give reason.
When a ray of light from air enters a denser medium, it ______.
A ray of light enters a glass slab ABDC as shown in figure and strikes at the centre O of the circular part AC of the slab. The critical angle of glass is 42°. Complete the path of the ray till it emerges out from the slab. Mark the angles in the diagram wherever necessary.
Fill in the blank to complete the following sentence:
When light travels from a rarer to a denser medium, it bends ...........
How does the deviation produced by a prism depend on the refraction index of its material.
State the factors on which the angle of deviation depends.
Express the refractive index μ of a medium in terms of the velocity of light.
