1st Year Physics Guess Paper 2024 All Punjab Board.Physics is an interesting and difficult subject. This is the branch of science in which we study matter and energy and their interactions. Physics is the most important science subject in the eleventh grade. Many students find this difficult and are concerned about the board exam.

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### 1st Year Physics Guess Paper 2024 All Punjab Board

1st Year Physics Guess Paper 2024 All Punjab Board | Download View |

## Annual Exam 1st Year Physics Guess Paper 2024

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## First year physics estimation papers:

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## Latest 1st Year Physics Guess Paper 2024 All Punjab Board

Physics is an interesting and difficult subject. This is the branch of science in which we study matter and energy and their interactions. Physics is the most important science subject in the eleventh grade. Many students find this difficult and are concerned about the board exam. Now, 11th class students need not worry because we are providing 11th class physics guess papers here. These Physics Guess Papers Class 11 have been carefully prepared based on the experience of 11th grade students. Our highly experienced and capable staff work hard to provide you with the best for your studies. These 1st-year physics speculation papers are provided to you free of charge.

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## LONG QUESTIONS 1ST YEAR PHYSICS:

- Explain cross product or vector of two vector state right hand rule and give at

least four characteristic. - Define vector product or cross product. Explain with right hand rule and give four characteristics of cross product.
- State and explain the law of conservation of linear momentum.
- What is projectile? Derive expressions of the i) Maximum Height ii) Horizontal range.
- Find angle of projection of a projectile for which its maximum height and horizontal range are equal.
- Define Elastic and Inelastic collision. Discuss elastic collision in one dimension and show that velocity of approach is equal to the velocity of separation
- Define escape velocity. Derive an expression of escape velocity and calculate its value on the Earth’s surface.
- Define absolute potential energy. Derive its mathematical expression.
- Define gravitational field. Show that gravitational field is conservative field.
- Explain Rotational kinetic energy. Find rotational kinetic energy of a disc and hoop.
- What are geostationary satellites? Derive the relation/expression for radius of geostationary orbit.
- State Bernoulli’s theorem. Also derive Bernoulli’s equation.
- An airplane wing is designed so that the speed of the air across the top of the wing is 450 ms-1 the speed of air below the wing is 410 ms-1. What is the pressure difference between the top and bottom of the wings? Density of air = 1.29 kgm-1
- What gauge pressure is required in the city mains for a stream from a fire hose connected to the mains to reach a vertical height of 15 m?
- Prove that total energy of amass spring system remains constant.
- What is simple pendulum? Show that the motion of simple pendulum is simple harmonic motion. Also calculate the time period of the simple pendulum.

## AND

- Show that vt = ve + 0.61t
- Derive Newton’s formula for the speed of sound in air and describe the correction by Laplace in it.
- Describe the transvers stationary waves in a stretched string. Show that the frequencies of stretched string are quantized.
- Define Doppler’s effect, Derive apparent frequency if. a) Observer moves

towards the stationary source b) Observer moves away from the stationary source. - Discuss in detail the Young’s double slit experiment to study the interference of light.

## NUMERICALS AND EXAMPLES

EXAMPLE NO: 2.5

NUMERICALS: 3.5, 3.10, 3.11 +Examples 3.2, 3.7

PROBLEMS: 4.3, 4.4, 4.7, 4.8 + Examples 4.3

NUMERICALS: 5.6, 5.3, 5.10

NUMERICALS: 6.1

NUMERICAL: 7.1, 7.3 , 7.4, 7.5

NUMERICALS: 8.5, 8.6

NUMERICAL: 9.7