Physics – Class 11 Practice Test 1

1. What is least count of an instrument?

2. Which of the following is a unit of temperature?

3. Which one of the following relations is true?

4. Number of significant digits in 0.0028900 is ______

5. A car is moving in a spiral starting from the origin with uniform angular velocity. What can be said about the instantaneous velocity?

6. The number of significant digits in 1559.00 is ____

7. If the units of length and time are doubled, what will be the factor by which the unit of acceleration will change?

8. The length and breadth of a rectangle are 4.5 mm and 5.9 mm. Keeping the number of significant figures in mind, its area in mm² is ____

9. Which of the following devices cannot measure distance?

10. In which coordinate system do we use distance from origin and to angles to define the position of a point in space?