Q. Which law states that the magnitude of a sensation is directly proportional to the logarithm of the physical stimulus producing it?
  • (A) beer-lambert law
  • (B) huygens–fresnel law
  • (C) lorentz law
  • (D) weber and fechner’s law
πŸ’¬ Discuss
βœ… Correct Answer: (D) weber and fechner’s law
Q. Which of the following statements is correct?
  • (A) pitch of the sound increases with increase in frequency
  • (B) pitch of the sound decreases with increase in frequency
  • (C) decibel is equal to 1/100 of bel
  • (D) increase in the amplitude of the sound decreases the intensity
πŸ’¬ Discuss
βœ… Correct Answer: (A) pitch of the sound increases with increase in frequency

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