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Waves

Q.1) When a stone is thrown in calm water of a pond waves produced are-

(A) Longitudinal wave

(B) Transverse wave

(C) Both A and B

(D) Wave does not Produced

Q.2) Which instrument can be used to study the wave form of a signal?

(A) Spectrometer

(B) Oscilloscope

(C) Senometer

(D) P-n Junction dilode

Q.3) What is found in frequency modulation?

(A) Fixed frequency

(B) Fixed dimension

(C) Change in frequency and dimension

(D) Change in dimension only

Q.4) These waves cannot be transmitted through vacuum

(A) Light

(B) Sound

(C) Heat

(D) Electromagnetic

Q.5) Stationary wave is formed by

(A) A transverse wave superposing a longitudinal wave

(B) Two waves of the same speed superposing

(C) Two waves of same frequency travelling in the same direction

(D) Two waves of same frequency travelling in the opposite direction

Q.6) Intensity of any wave is proportional to which of the following?

(A) Amplitude

(B) Square of amplitude

(C) Square root of amplitude

(D) Cube of amplitude

Q.7) The reverse effect of X-ray emission is

(A) Raman Effect

(B) Compton Effect

(C) Zeeman Effect

(D) Photoelectric Effect

Q.8) Which of the following waves can not be polarized.

(A) Radio

(B) Ultraviolet

(C) Infrared

(D) Ultrasonic

Q.9) Which of the following is not as electromagnetic wave?

(A) X-Ray

(B) Gamma Ray

(C) Cathode Ray

(D) Infrared

Q.10) Which of the following has the lowest frequency ?

(A) Visible Ray

(B) Gamma Ray

(C) X-Ray

(D) Ultraviolet Rays

ਜੇਕਰ ਤੁਸੀ ਕਿਸੇ ਵੀ ਸਰਕਾਰੀ ਨੌਕਰੀ ਬਾਰੇ ਜਾਣਕਾਰੀ ਲੈਣਾ ਚਾਹੁੰਦੇ ਹੋ ਤਾ ਉੱਤੇ ਦਿੱਤੇ ਕੰਮੈਟ ਬਾਕਸ ਵਿੱਚ ਕੰਮੈਟ ਕਰ ਸਕਦੇ ਹੋ ਧੰਨਵਾਦ ਅਰਨ ਮਨੀ ਜੋਬਜ ਟੀਮ