Section – II
PHYSICS
Q). The magnetic field is called uniform if
A) strength and direction of magnetic field are changing
B) strength and direction of magnetic field are constant
C) only magnetic field strength is constant
D) only direction of magnetic field is constant
Q). Which of the following equations is correct in electromagnetism?
A) F = 
B) F = 
C) F = qv B sin θ
D) F = qv B cos θ
Q). In which of the following electric energy is converted into mechanical energy?
A) Galvanometer
B) Ammeter
C) Generator
D) Electric motor
Q). Whenever there is continuous change of magnetic flux linked with closed coil, a current is generated in coil. This is
A) Lenz’s law
B) Ampere’s law
C) Faraday’s law
D) Ohm’s law
Q). A conductor of length 1 m moving with velocity V perpendicular to the magnetic field of strength 10 tesla induces an e.m.f. of 10 volt. Then V = ________m/s
A) 100
B) 10
C) 1
D) 0.1
Q). The peak value of alternative current is 2 ampere. The r.m.s. value of current is ______ampere.
A) √2
B) 2√2
C) 1/√2
D) 1/2√2
Q). Magnetic flux density (B) =
A) 
B) 
C) 
D) 
Q). A light ray incidents on a plane mirror at an angle 33°. Then what is the angle of reflection?
A) 66°
B) 33°
C) 22°
D) 11°
Q). Which of the following is used by the dentists?
A) Convex lens
B) Concave lens
C) Convex mirror
D) Concave mirror
Q). Which of the following is true in case of virtual image?
A) Always erect
B) Always inverted
C) Obtained on screen
D) None of the above