Physics MCQs

852 MCQs  (Page 39 of 86)

Attempt Physics Quiz
Alpha particle ionizes an atom_________________?
A. Through direct collision
B. Through electrostatic attraction
C. Through electrostatic repulsion
D. All of above
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T.V sets and microwave ovens emit ___________________?
A. X-rays
B. Α-rays
C. Β-rays
D. Γ-rays
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Radioactive materials can be identified by measuring their_______________?
A. Hardness
B. Density
C. Mass
D. Half life
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Which one of the following radiations possesses maximum velocity ?
A. Α-rays
B. Β-rays
C. Γ-rays
D. All of above have the same speed
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The charge on an electron was determine by ________________?
A. Ampere
B. Maxwell
C. Millikan
D. Thomson
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The charge on neutron is_______________?
A. Plus 1.6 x 10-19c
B. Zero
C. Minus 1.6 x 10-19c
D. No definite charge
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A particle having the mass of an electron and the charge of a proton is called a______________?
A. Antiproton
B. Positron
C. Gamma rays
D. Photon
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Mass of neutron is________________?
A. 1.67 x 10-31 kg
B. 1.67 x 10-27 kg
C. 9.1 x 10-31 kg
D. 1.67 x 10-19 kg
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Nuclei having the same mass number but different atomic number are____________?
A. Isotopes
B. Isobars
C. Isotones
D. Isomers
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A mass spectrograph (spectrometer) sorts out____________?
A. Molecules
B. Ions
C. Elements
D. Isotopes
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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