Question
A prism has a refractive index of 1.5 and a refracting angle of 60°.One of its refracting faces is polished to act like a mirror. A monochromatic beam of light is incident on the other face. For the light beam to retrace its path , the angle of incidence at the first face should be:
More General science Common Questions
- What is the boiling point of water at sea level?
- A liquid rises in a capillary tube due to:
- The autonomic nervous system controls which of the following?
- `Short-sight' in human eye can be corrected by using proper –
- In the elastic range of a material under tension, the ratio of stress to strain:
- What happens to the gravitational force between two objects if the distance between them is doubled ?
- Which organ in the human body is responsible for producing Insulin?
- The hardest naturally occurring substance on Earth is:
- Which of the following is a flightless bird?
- A body is thrown vertically upwards and then falls back on the ground. Its potential energy is maximum:
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)