Assertion (A): Friction can act in the direction of motion. Reason (R): Walking is only possible due to friction acting forward.

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Questions Match

1. Assertion (A): Friction can act in the direction of motion. Reason (R): Walking is only possible due to friction acting forward.

1. Both A and R are true, and R is the correct explanation2. Both A and R are true, but R is not the correct explanation3. A is true, R is false4. A is false, R is true

2. In the absence of external force, the motion of a body is governed by:

1. Newton’s First Law2. Newton’s Second Law3. Newton’s Third Law4. Kepler’s First Law

3. Physics plays a vital role in the development of technology. Which of the following pairs are correctly matched? 1. Electromagnetism - Electric motor 2. Thermodynamics - Steam engine 3. Optics - Telescope 4. Mechanics - Satellite motion

1. 1 and 2 only2. 1, 2, and 3 only3. All of the above4. 2 and 4 only

4. Which of the following are achievements of physics in the field of medicine? 1. MRI Scan 2. X-ray imaging 3. Laser eye surgery 4. CT Scan

1. 1, 2, and 3 only2. 2, 3, and 4 only3. All of the above4. 1 and 4 only

5. Which of the following is/are applications of physics in the field of communication? 1. Satellites 2. Fiber optics 3. Internet 4. Radio transmission

1. 1, 2 and 3 only2. 2, 3 and 4 only3. 1, 3 and 4 only4. All of the above

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Assertion (A): Friction can act in the direction of motion. Reason (R): Walking is only possible due to friction acting forward.