Young’s modulus is the property of _______ ?
A. Solid only
B. Liquid only
C. Gas only
D. None of them
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Which of the following is used to control rods in nuclear fission ?
A. Heavy Water
B. Cadmium
C. Graphite
D. None of them
Tick the correct statement ________ ?
A. Moderators absorb the neutrons
B. Moderators reflect the neutrons
C. Moderators slow down the neutrons
D. Moderators bring the neutrons to rest
Value of R ( Universal Gas Constant ) = ______ ?
A. 10.314 J/mole K
B. 8.314 J/mole K
C. 6.5 J/mole K
D. 1.314 J/mole K
Mirage is an example of _______ ?
A. refraction of light
B. Scattering of light
C. reflection of light
D. Refraction and total internal reflection of light
A Circle has a number of tangents equal to _____ ?
A. 1
B. 2
C. Infinite
D. 0
What is unit of conductivity ?
A. Watt
B. mho
C. Ohm
D. a and c
In fission process ____ ?
A. massive nucleus splits to form smaller fragments
B. massive nucleus join together
C. both A & B
D. None of them
What is the acceleration of free fall on the moon of that on the Earth?
A. 1/8th
B. 1/4th
C. 1/6th
D. None of them
CGS unit of Force is ______ ?
A. Joule
B. Dyne
C. Newton
D. Erg