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

Consider two organ pipes of the same length in which one organ pipe is closed and another organ pipe is open. If the fundamental frequency of closed pipe is 250 Hz. Calculate the fundamental frequency of the open pipe.

Consider the following function-

1. y = x² + 2 α tx
2. y = (x + vt)²

which among the above function can be characterized as a wave?

Why is it that transverse waves cannot be produced in a gas? Can the transverse waves be produced in solids and liquids?

Is it possible to realize whether a vessel kept under the tap is about to fill with water?

What is meant by periodic motion? Give any two examples, for periodic motion.

What is meant by non-periodic motion? Give any two examples, for non-periodic motion.

What is meant by the force constant of a spring?

A ball is projected vertically upwards with a velocity v. It comes back to the ground in time t. Which v-t graph shows the motion correctly?

A ball is dropped from some height towards the ground. Which one of the following represents the correct motion of the ball?

If a particle executes uniform circular motion, choose the correct statement.

What is non-uniform circular motion?

Write down the kinematic equations for angular motion.

Write down the expression for angle made by resultant acceleration and radius vector in the non-uniform circular motion.

Derive the kinematic equations of motion for constant acceleration.

Derive the equations of motion for a particle (a) falling vertically (b) projected vertically.

Derive the equation of motion, range, and maximum height reached by the particle thrown at an oblique angle θ with respect to the horizontal direction.

Derive the expression for total acceleration in the non-uniform circular motion.

The Moon is orbiting the Earth approximately once in 27 days, what is the angle transversed by the Moon per day?

A particle is projected at an angle of θ with respect to the horizontal direction. Match the following for the above motion.

(a) v_x – decreases and increases
(b) v_y – remains constant
(c) Acceleration – varies
(d) Position vector – remains downward

A uniform force of `(2hati + hatj)` N acts on a particle of mass 1 kg. The particle displaces from position `(3hatj + hatk)` m to `(5hati + 3hatj)` m. The work done by the force on the particle is ______