Essay questions 4 marks each total marks : 50
derive the equation s = ut + ½ at2
Give ten examples of objects possessing KE.
What are the differences between longitudinal and transverse waves
What are the renewable and non renewable sources of energy and give examples.
A car starts from rest and moves with uniform acceleration 0.5 m/s2 for 4 mins. Calculate the distance travelled by the car.
Short answer questions 2. Marks
Write the three equations of motion for a linearly moving body with uniform acceleration.
What is energy crisis.
What is the work done by a man in carrying a suitcase of mass 25 kg over his shoulders when he is travelling a distance of 10m.
1. Vertical 2. Horizontal.
9. What are the differences between light waves and sound waves. 10. The velocity of sound in air is 344 m/s. What is the wavelength of sound wave of frequency 32 Hz. 11. define frequency and wavelength. 12. Write the expression for finding the velocity of sound formulated by Newton and Laplace. Which one is successful? 13. Define stationary waves. 14. Define velocity and acceleration Bits. 1 mark each
Write the expression for PE and KE.
1 KMPH = ……………….. MPS
CGS unit of acceleration …………………..
1 watt = ……………………../sec
When a body moves at an angle to the direction of force. Then w = …………………….
……………….. is the capacity to do work
1 erg = …………………………….
An object of 100 kg is lifted to a height of 10 m vertically then work done …………………..
The density of the particle in motion is higher than normal density is called as……………
Sound cant travel through …………………..
The ultra sonic frequency range is……………………….
Essay questions 4 marks each total marks : 50
derive the equation s = ut + ½ at2
Give ten examples of objects possessing KE.
What are the differences between longitudinal and transverse waves
What are the renewable and non renewable sources of energy and give examples.
A car starts from rest and moves with uniform acceleration 0.5 m/s2 for 4 mins. Calculate the distance travelled by the car.
Short answer questions 2. Marks
Write the three equations of motion for a linearly moving body with uniform acceleration.
What is energy crisis.
What is the work done by a man in carrying a suitcase of mass 25 kg over his shoulders when he is travelling a distance of 10m.
1. Vertical 2. Horizontal.
9. What are the differences between light waves and sound waves. 10. The velocity of sound in air is 344 m/s. What is the wavelength of sound wave of frequency 32 Hz. 11. define frequency and wavelength. 12. Write the expression for finding the velocity of sound formulated by Newton and Laplace. Which one is successful? 13. Define stationary waves. 14. Define velocity and acceleration Bits. 1 mark each
Write the expression for PE and KE.
1 KMPH = ……………….. MPS
CGS unit of acceleration …………………..
1 watt = ……………………../sec
When a body moves at an angle to the direction of force. Then w = …………………….
……………….. is the capacity to do work
1 erg = …………………………….
An object of 100 kg is lifted to a height of 10 m vertically then work done …………………..
The density of the particle in motion is higher than normal density is called as……………
Sound cant travel through …………………..
The ultra sonic frequency range is……………………….
