10th Class Physics MCQs Urdu Medium

Important 10th class physics mcqs urdu medium written by Kashif Ali. These notes are very helpful in the preparation of 10th class physics mcqs urdu medium of the students of Physics of the Matriculation and these are according to the paper patterns of all Punjab boards.

• Here are the detailed 10th class physics mcqs in urdu to help you prepare for your exams.
• Which of the following devices can be used to produce both transverse and longitudinal waves? (A)  A helical Spring   (B) A ripple Tank   (C)  A tuning Fork   (D)  A string
• Which of the following is a method of energy transfer? (A)  Radiation  (B) Wave motion   (C)  Conduction   (D)  All of these
• Wave equation is:  (A)  V / λ  (B) f λ  (C)  f v   (D)  1/ λv
• The relation between velocity, frequency and wavelength for waves is given by:  (A)  V =  λ/f  (B) Vλ = fλ  (C)  Vf = λ   (D)  fλ = v
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• Wavelength of waves can be defined by ratio of:  (A)  Distance and speed  (B) Speed and frequency  (C)  Time period and frequency   (D)  Frequency and speed
• Frequency of wave is 4 Hz and wavelength is 0.4 m then its speed will be:  (A)  1.6 m/s  (B) 1.6 m  (C)  16 m   (D)  16 m/s
• If the speed of a wave is 340 m/s and wavelength is 0.5 m, then frequency will be:  (A)  340 Hz  (B) 3400 Hz  (C)  170 Hz   (D)  680 Hz
• Which of the following characteristics of a wave is independent of the others?  (A)  Wavelength  (B) Amplitude  (C)  Speed   (D)  Frequency
• In a vacuum, all electromagnetic waves have the same:  (A)  Frequency  (B) Amplitude  (C)  Speed   (D)  Wavelength
• The relation between time, speed and distance is:  (A)  v = t2/d  (B) v = dt  (C)  v = t/d   (D)  v = d/t
• Generating high frequency requires more:  (A)  Frequency  (B) Energy  (C)  Displacement   (D)  Wavelength
• Earth quake produces …………… waves.  (A)  Electromagnetic  (B) Seismic  (C)  Transverse   (D)  Longitudinal
• A large ripple tank with vibrator working at a frequency of 30 Hz produces 25 complete waves in a distance of 50 cm. The velocity of the wave is:   (A) 60 cm/s  (B) 750 cm/s  (C)  1500 cm/s  (D)  53 cm/s
• A ripple tank is a device used to produce:  (A) Radio waves  (B) Mechanical waves  (C)  Electromagnetic waves  (D)  Light waves
• When the water waves enters the region of shallow water their wave length:  (A) Becomes zero  (B) Decreases  (C)  Remains same  (D)  Increases
• The bending of waves around the corners is called:  (A) Refraction  (B) Diffraction (C)  Interference  (D)  Reflection
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• Sound is form of Energy OR Which form of energy sound is:  (A) Electrical  (B) Mechanical (C)  Thermal  (D)  Chemical
• Two consecutive waves compression and Rarefaction is called:  (A) Focal length  (B) Frequency (C)  Wave length  (D)  Time Period
• The example of longitudinal waves is:  (A) Sound waves  (B) Water Waves (C)  Radio Waves  (D)  Light waves
• Which of the waves consist of compressions and rarefactions?  (A) Television waves  (B) X-rays (C)  Sound waves   (D)  Radio waves
• The unit of intensity of sound is:  (A) Wm  (B) Wm-3 (C)  Wm-1   (D)  Wm-2
• The intensity level of rustling of leaves is: (A) 10 dB   (B) 30 dB   (C)  40 dB   (D)  20 dB
• The intensity level of train siren is: (A) 100 dB   (B) 130 dB   (C)  120 dB   (D)  150 dB
• The sound level of whisper is: (A) 40 dB   (B) 70 dB   (C)  10 dB   (D)  30 dB
• The intensity level of faintest audible sound is: (A) 40 dB   (B) 10 dB   (C)  0 dB   (D)  130 dB
• The intensity level of vacuum cleaner is: (A) 100 dB   (B) 10 dB   (C)  70 dB   (D)  40 dB
• The loudness of sound is most closely related to its: (A) Period   (B) Amplitude   (C)  Wavelength  (D)  Frequency
• The pitch of sound mostly depends on: (A) Frequency   (B) Amplitude   (C)  Wavelength  (D)  Period
• The frequency of silent whistle lies between: (A) 10000-20000 Hz   (B) 20000-25,000 Hz   (C)  15000-25000 Hz  (D)  20-20000 Hz