A. Photosensitive detection
B. Photo diode
C. Photosynthesis
D. Photocell
✅ The correct answer is option D.
Physics MCQs
Unit vector n^ is along
A. X-axis
B. Normal on a surface
C. Y-axis
D. Z-axis
✅ The correct answer is option B.
What are the dimensions of stress?
A. MLT-2
B. ML-2T-1
C. ML-1T-2
D. ML-T-1
✅ The correct answer is option C.
The linear momentum of an X-ray photon of wavelength 0.1A is
A. 6.625x1023N-s
B. 66.25x1023N-s
C. 662.5x1023N-s
D. Data is insufficient
✅ The correct answer is option A.
Cosθi^ + Sinθj^ is a
A. Vector
B. Position Vector
C. Vector in the direction at angle θ with an x-axis
D. The unit vector in the direction at angle θ with an x-axis
✅ The correct answer is option D.
The figure showed the stress-strain graph of a certain substance. Over which region of the graph is Hooks law obeyed?
A. AB
B. BC
C. CD
D. ED
✅ The correct answer is option D.
Optical active crystals rotates the
A. Vibrating plane
B. Polarization plane
C. Diffraction plane
D. Interference plane
✅ The correct answer is option B.
Maximum number of rectangular components are
A. 1
B. 2
C. 3
D. 4
✅ The correct answer is option C.
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 correct answer is option B.
Which is not optically active?
A. Sugar
B. Tartaric acid
C. Water
D. Sodium chlorate
✅ The correct answer is option C.