A. 1
B. 2
C. 3
D. 4
Related Mcqs:
- Which one of the following physical quantities does not have the dimensions of force per unit area ?
A. Stress
B. Strain
C. Youngs modulus
D. Pressure - The power is the dot product of ___________ quantities.
A. Force and time
B. Force and velocity
C. Force and speed
D. None of theseSubmitted by: Muhammad Hassan
- Which one is not a branch of physical sciences ?
A. Chemistry
B. Astronomy
C. Geology
D. Biology - Terminal velocity is_____________?
A. Uniform
B. Maximum
C. Uniform and maximum
D. Neither uniform nor maximum - A convex lens of focal length f1 and a concave lens of focal length f2 are placed in contact. The focal length of the combination is_____________?
A. f2 + f1
B. f2 – f1
C. f1f2/f2+f1
D. f1f2/f1-f2 - Magnification of the astronomical telescope is_____________?
A. fo+fe
B. fo/fe
C. fe/fo
D. (1+fo/fe)L/fo - Total number of series in hydrogen spectrum is_____________?
A. three
B. four
C. five
D. six - Ground state energy of the 4th orbit in a H-atom is_____________?
A. 13.60 eV
B. 3.40 eV
C. 0.85 eV
D. 1.51 eV - Radiation produced from TV picture tube is_____________?
A. B-rays
B. X-rays
C. Far infrared
D. Infrared - To obtain an n-type semiconductor germanium crystal it must be doped with foreign atoms whose valency is_____________?
A. 2
B. 3
C. 4
D. 5
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