HSC Science कक्षा ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Physics

Write down the time period of simple pendulum.

What is meant by angular harmonic oscillation? Compute the time period of angular harmonic oscillation.

Write down the difference between simple harmonic motion and angular simple harmonic motion.

Explain the principle of homogeneity of dimensions. What are its uses? Give example.

Identify the unit vector in the following.

How do you deduce that two vectors are perpendicular?

The position vector particle has a length of 1m and makes 30° with the x-axis. What are the lengths of the x and y components of the position vector?

Compare the components for the following vector equations

(a) `"T"hatj - "mg"hatj = "ma"hatj`
(b) `vecT + vecF = vecA + vecB`
(c) `vecT - vecF = vecA - vecB`
(d) `"T"hatj + "mg"hatj = "ma"hatj`

Explain the characteristics of elastic and inelastic collision.

Define the following:

Coefficient of restitution

Arrive at an expression for elastic collision in one dimension and discuss various cases.

What is inelastic collision? In which way it is different from an elastic collision. Mention a few examples in day-to-day life for inelastic collision.

Two different unknown masses A and B collide. A is initially at rest when B has a speed v. After collision B has a speed v/2 and moves at right angles to its original direction of motion. Find the direction in which A moves after the collision.

A closed cylindrical container is partially filled with water. As the container rotates in a horizontal plane about a perpendicular bisector, its moment of inertia, ______

From a disc of radius R a mass M, a circular hole of diameter R, whose rim passes through the centre is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis passing through it?

The time period of a satellite orbiting Earth in a circular orbit is independent of

The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are K_A, K_B and K_C respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then

If a person moves from Chennai to Trichy, his weight _________.

Mention any two physical significance of the moment of inertia.

What is the radius of gyration?