Question
Name four ways in which sound can be produced.
✓
Answer
Sound can be produced by the following methods:
- By vibrating strings (as in a sitar).
- By vibrating air (as in a flute).
- By vibrating membranes (as in a drum).
- By vibrating plates (as in cymbals).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain the methods of controlling insect pests.
A man drops a 10kg rock from the top of a 5m ladder. What is its speed just before it hits the ground? What is its kinetic energy when it reaches the ground? (8 = 10m/s2)
Show by an experiment that by increasing the temperature, the substance can be changed into liquid and then into vapours.
What is upthrust? What are the quantities that can vary upthrust? How does it account for the floating of a body? When a partially immersed body is pressed down a little, what will happen to the upthrust?
Mention various functions of epithelial tissues.
Comment on the following statements:
- Evaporation produces cooling.
- Rate of evaporation of an aqueous solution decreases with increase in humidity.
- Sponge though compressible is a solid.
State two characteristic properties each of:
- A solid
- A liquid
- A gas
Define solubility. How does solubility of a solid in water change with temperature?
The velocity-time graph of a ball of mass 20 g moving along a straight line on a long table is given in Fig.
How much force does the table exert on the ball to bring it to rest?
How much force does the table exert on the ball to bring it to rest?
Describe an activity to demonstrate that sound follows the same laws of reflection as light.