CBSE MCQ Questions with answers can be used most effectively to measure both simple knowledge and complex concepts. Since multiple-choice questions can be answered quickly, they can assess a students' mastery of many topics in a short period of time.
Correctly structured CBSE MCQ Quiz that offers the greatest academic value will not simply indicate if the student’s answer is right or wrong, it will go further by clearly explaining the reasons why each answer was right or wrong – thus ensuring the all-important continuation of the learning process.
We have also added CBSE NOTES FOR QUICK REVISION
, Which help you to focus your attention and avoid distractions. As you read notes, you will be engaging your mind in identifying and organizing the main ideas of topic in minimum time span and make it easy to memorize the topic for best result.
Very short answer type question
Q1. Can sound travel through Iron and Water?
Q2. Can sound travel through vacuum?
Q3. Name the type of wave which are used by austronuts to communicate with one another on moon.
Q4. Name on solid, liquid and gas through which sound travel.
Q5. Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
Q6. Name the physical unit whose SI unit is 'hertz'.
Q7. What is SI unit of frequency?
Q8. What type of wave is represented by:- a) by density - distance graph? b) by displacement - distance graph?
Q9. Is the speed of sound travels faster: air or iron?
Q10. Is the speed of sound travels faster in water or in steel.
Q11. In which medium sound travels faster:- air, water or steel.
Q12. Out of solid, liquid and gas:- a) in which medium sound travels slowest? b) in which medium sound travels fastest?
Q13. What is the speed of sound in copper and aluminium?
Q14. If you want to hear a train approching from far away, why is it more convenint to put the ear to the track?
Q15. What is the speed of sound in air, water and iron?
Q16. What name is given to those aircraft which fly at speed greater than the speed of sound?
Q17. A jet aircraft flies at a speed of 410 m/s. What is this speed known as?
Q18. What is meant by supersonic sound?
Q19. State one observation from everyday life which shows that sound travels much more slow than light.
Q20. Name the two types of wave which can be generated in a long flexiable spring?
Q21. A stone is dropped on the surface of water in a pond. Name the type of wave produced?
Q22. Name the type of wave produced when a tuning fork is struck in air?
Q23. What is the general name of the waves consisting of: a) Compressions and Rarefactions? b) crests and troughs?
Q24. State the general name of waves in which the particles of the medium vibrate: a) in the same direction as wave. b) at right angle to the direction of wave.
Q25. What type of wave are illutrated by the ovement of the rope whose one end is fixed to a pole and the other end is moved up and down?
Q26. What should an object do to produce sound?
27. What is the name of strings which vibrate in our voice box when we talk?
Q28. Name the device which is used to produce sound in laboratory experiments.
Q29. What is the nature of sound wave in air?
Q30. What conclusion can be obtained from the observation that when the prongs of the sound making tuning fork touch the surface of water in a beaker, the water get splashed?
Q31. State whether the following statement true or false: Sound produced by a vibrating body travels to our ears by the actual movement of air.
Q32. Which one of the following travels slowest in air and which one fastest? Supersonic aircraft, Light, Sound
Q33. Which term is used to denote a speed greater than the speed of sound??
Q34. In which medium sound travels faster: air or hydrogen?
Q35. A tuning fork has a number 256 marked on it. What does this number signify?
Q36. What is the time-period of a tuning fork whose frequency is 200Hz?
Q37. Calculate the frequency of a wave whose time period is 0.02 sec.
Q38. What will be the change in the wavelenght of a sound wave in air if its frequency is doubled?
Q39. If 20 waves are produced per second, what is the frequency in hertz?
Q40. What does wave transfer: matter or energy?
Q41. Where is the density of air higher: at compressions or at rarefactions?
Q42. Name two quantities that vary periodically in place as sound wave travels through it.
Q43. The frequency of sound is 10Hz. How many times dose it vibrates in 1 min?
Q45. Which has higher pitch: The sound of whistle or The sound of a drum.
Q46. Which has higher frequency: Infrasonic sound or Ultrasonic sound.
Q47. Why is soft furnishing avoided in concert hall?
Q48. What is the audible range of human?
Q49. Why do we say sound waves are longitudinal?
Q50. Why dose the sound become faints with the distance?
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