Science
The following diagram shows the use of an optical device to perform an experiment of light. As per the arrangement shown, the optical device is likely to be a;
- Concave mirror
- Concave lens
- Convex mirror
- Convex lens
Related Questions
In which of the following is a concave mirror used?
- A solar cooker
- A rear view mirror in vehicles.
- A safety mirror in shopping malls.
- In viewing full size image of distant tall buildings.
A student wants to obtain a magnified image of an object AB as on a screen. Which one of the following arrangements shows the correct position of AB for him/her to be successful?
1.
2.
3.
4.
A ray of light starting from the air passes through medium A of refractive index 1.50, enters medium B of refractive index 1.33 and finally enters medium C of refractive index 2.42. If this ray emerges out in the air from C, then for which of the following pairs of media the bending of light is least?
- air-A
- A-B
- B-C
- C-air
Which of the following statements is not true for the scattering of light?
- Colour of the scattered light depends on the size of particles of the atmosphere.
- Red light is least scattered in the atmosphere.
- Scattering of light takes place as various colours of white light travel with different speeds in air.
- The fine particles in the atmospheric air scatter the blue light more strongly than red. So the scattered blue light enters our eyes.