# AP Inter 1st Year Physics Question Paper March 2023

Thoroughly analyzing AP Inter 1st Year Physics Model Papers and AP Inter 1st Year Physics Question Paper March 2023 helps students identify their strengths and weaknesses.

## AP Inter 1st Year Physics Question Paper March 2023

Time: 3 Hours
Maximum Marks: 60

Section – A (10 × 2 = 20)

Note :

• Each question carries two marks.
• All are very short answer type questions.

Question 1.
What is physics?

Question 2.
Express unified atomic mass unit in kg.

Question 3.
The vertical component of a vector is equal to its component horizontal. What is the angle made by the vector with X-axis?

Question 4.
Can the coefficient of friction be greater than one?

Question 5.
What is angle of contact?

Question 6.
Give the expression for the excess pressure in a liquid drop?

Question 7.
What is the latent heat of fusion?

Question 8.
State Wein’s displacement law?

Question 9.
State Boyles law and Charles law.

Question 10.
Define mean free path.

Section – B (6 × 4 = 24)

Note:

• Each question carries four marks.
• All are short answer type questions.

Question 11.
A ball is dropped from the roof of a tall building and simultaneously another ball is thrown horizontally with same velocity from the same roof. Which ball lands first? Explain your answer.

Question 12.
Show that the maximum height and range of projectile are  and  respectively where the terms have their regular meanings.

Question 13.

Question 14.
Distinguish between centre of mass and centre of gravity.

Question 15.
Write the equations of motion for a particle rotating about a fixed axis?

Question 16.
State Kepler’s laws of planetary motion.

Question 17.
Pendulum clocks generally go fast in winter and slow in summer. Wdiy?

Question 18.

Section – C (2 × 8 = 16)

Note :