The reflecting surfaces of two mirrors M1 and M2 are at an angle θ as shown in the figure. A ray of light is incident on M1. The emerging ray intersects , the incident ray at an angle Φ. Then,
An object is placed on the principal axis of a concave mirror of focal length 10 cm at a distance of 8 cm from the pole. Find position and nature of the image :
A point object is placed at a distance of 30 cm from a convex mirror of focal length 30 cm. The image will form at :
Mark the correct options :
Which of the following (referred to a spherical mirror) depend on whether the rays are paraxial or not ?
The image of an object placed perpendicular to the principal axis of a mirror, will be erect if :
When seen in green light, the saffron and green portions of our national flag will appear to be :
Light travels through a glass plate of thickness t and having refractive index μ, If c be the velocity of light in vacuum, the time taken by the light to travel this thickness of glass is :
If the critical angle for total internal reflection from a medium to vacuum is 30°, the velocity of light in the medium is
A convex lens made up of a material of refractive index μ1 is immersed in a medium of refractive index μ2 as shown in the figure. The relation between μ1 and μ2 is :
