Question
Name four ways in which sound can be produced.

Answer

Sound can be produced by the following methods:
  1. By vibrating strings (as in a sitar).
  2. By vibrating air (as in a flute).
  3. By vibrating membranes (as in a drum).
  4. 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.

Start Generating Free

Similar questions

The longitudinal waves travel in a coiled spring at a rate of 4m/s. The distance between two consecutive compressions is 20cm. Find:
  1. Wavelength of the wave.
  2. Frequency of the wave.
A $60g$ bullet fired from a $5\ kg$ gun leaves with a speed of $500\ m/s.$ Find the speed $($velocity$)$ with which the gun recoils $($jerks backwards$).$
A boy of mass $50\ kg$ runs up a staircase of $50$ steps in $10s.$ If the height of each step is $15\ cm,$ then find the his power. $($Take, $g = 10^{-2}ms)$
Explain why, when a person stands on a cushion, the depression is much more than when he lies down on it.
How will you separate water from mustard oil?
A certain species X has 17 protons, 18 electrons and 20 neutrons.
  1. What is such a particle called?
  2. What is the mass number of X?
  3. What is the atomic number of X?
Copper sulphate reacts with sodium hydroxide to form a blue precipitate of copper hydroxide and sodium sulphate. In an experiment, 15.95g of copper sulphate reacted with 8.0g of sodium hydroxide to form 9.75g of copper hydroxide and 14.2g of sodium sulphate. Which law of chemical combination is illustrated by this data? Give reason for your choice.
Write the molecular formulae of all the compounds that can be formed by the combination of following ions.
$\text{Cu}^{2+},\text{Na}^+,\text{Fe}^{3+},\text{CL}^-,\text{SO}^{2-}_{4},\text{PO}^{3-}_4$
Calcium chloride when dissolved in water dissociates into its ions according to the following equation.
$CaCl_2(og) \rightarrow Ca^{2+} (aq) + 2Cl^- (aq)$
Calculate the number of ions obtained from $CaCl_2$ when $222g$ of it is dissolved in water.
Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.