# Physics Quiz for Competitive Exams

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## Physics Quiz for Competitive Exams

Q1.What is the unit of the intensity of sound?
ध्वनि की तीव्रता की इकाई क्या है?
a. Decibels (dB)
b. Mole (mole)
c. candela (cd)
d. kelvin (K)

Q2.What is the CGS unit of work?
सीजीएस कार्य की इकाई क्या है?
a. gal
b. dyne
c. barye
d. Erg

Q3.An instrument that is used to measure the pressure of gases?
एक ऐसा उपकरण जिसका उपयोग गैसों के दबाव को मापने के लिए किया जाता है?
a. Micron
b. Nanometre
c. Manometer
d. None of the above

Q4.What is the value of one radian?
एक रेडियन का मूल्य क्या है?
a. 60.2 degree
b. 57.2 degree
c. 45.6 degree
d. 94.5 degree

Q5.When was the international system of units implemented?
इकाइयों की अंतर्राष्ट्रीय प्रणाली कब लागू की गई थी?
a. 1967
b. 1874
c. 1971
d. 1764

Q6.What is the dimensional formula of Planck’s Constant?
प्लैंक कॉन्स्टेंट का आयामी सूत्र क्या है?
a.  [M0 L2 T1 ]
b. [M0 L0 T-2]
c.  [M1 L2 T1 ]
d.  [M1 L2 T-2 ]

Q7. An astronomical unit belongs to?
खगोलीय इकाई किससे संबंधित है?
a. The distance between the moon and the earth.
b. The distance between Jupiter and the earth.
c. The distance between the mars and the earth.
d. The distance between the sun and the earth.

Q8.An electron volt is a unit of?
इलेक्ट्रॉन वोल्ट किसकी इकाई है?
a. Pressure
b. Energy
c. Velocity
d. Force

Q9.work is a ________ quantity.
काम एक ________ मात्रा है।
a. Vector Quantity
b. Scalar Quantity
c. Both a & b
d. None of the above

Q10.1 horsepower =_______Watt.
1 अश्वशक्ति = _______ वाट।
a. 746 watt
b. 867 watt
c. 967 watt
d. 465 watt

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