Light beam which is highly directional is called:

Light beam which is highly directional is called:
1). eraser
2). grazer
3). maser
4). laser

SSC CGL Books

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (1+2)
Submit:

Other Questions

1. A body moving in a circular path with a constant speed has a

2. Industrial and technological advancement has brought about a rapid exploration of forest resources. Which one among the following is not the impact of above phenomenon?

3. Question 2.11:The length, breadth and thickness of a rectangular sheet of metal are 4.234 m, 1.005 m, and 2.01 cm respectively. Give the area and volume of the sheet to correct significant figures.

4. For which one of the following, ''Diodes" are generally used for?

5. Moving electric charge produces :

6. Light from the Sun reaches us in nearly

7. The natural disaster in which carbon-di-oxide suddently erupts from adeep lake water is known as ______

8. As per Newton's law of gravitation, the force between two bodies is ________.

9. What is the principle by which a?cooling system (Radiator) in a motor car works?

10. When a running car stops suddenly, the passengers tends to lean forward because of: