### MCQ(s) of Physics(2110011) - Summer 2015 Sem-2

• Q. 1  The buoyant force of an object is depend on
• (A) Object’s density
(B) Mass of an object
• (C) Area of an object
(D) Submerged area of an object
• (D) Submerged area of an object
• Q. 2  The unit of an inductance of an inductor is _______
• (A) Henry
• (C) coulomb
(D) Ohm
• (A) Henry
• Q. 3  Which of the following is a Scalar quantity
• (A) Momentum
(B) Force
• (C) Mass
(D) Velocity
• (C) Mass
• Q. 4  Ohm’s Law is not applicable to
• (A) Semiconductors
(B) DC Circuits
• (C) High Currents
(D) Resistor
• (A) Semiconductors
• Q. 5  Potential difference is measured in
• (A) Volts
(B) Amperes
• (C) Joules
(D) Watts
• (A) Volts
• Q. 6  An inductor stores energy in
• (A) Electrostatic field
(B) electromagnetic field
• (C) core
(D) magnetic field
• (D) magnetic field
• Q. 7  Four identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be
• (A) 1/6 times
(B) 1/4 times
• (C) 4 times
(D) 16 times
• (A) 1/6 times
• Q. 8  The acceleration in a body is due to
• (A) Balanced force
(B) unbalanced force
• (C) mass
(D) electrostatic force
• (B) unbalanced force
• Q. 9  If any block of material is float on liquid, what can say about block
• (A) Block is heavier than liquid
(B) liquid is heavier than block
• (C) density of liquid is more than block
(D) density of block is more than liquid
• (C) density of liquid is more than block
• Q. 10  Step up transformer decreases
• (A) Voltage
(B) current
• (C) power
(D) frequency
• (B) current
• Q. 11  Which is not a unit of Pressure?
• (A) Bar
(B) Torr
• (C) Pascal
(D) N/m
• (B) Torr
• Q. 12  For an object which is on circular motion, it must have
• (A) Continuously accelerated
(B) Continuously slow down
• (C) Continuously acted on balanced force
(D) none of these
• (A) Continuously accelerated
• Q. 13  What is the force acting on an object of mass 10 kg moving with a uniform velocity of 10m/s?
• (A) 100N
(B) 10N
• (C) 0N
(D) 1N
• (C) 0N
• Q. 14  What is the SI unit of surface tension
• (A) Nm
(B) Nm-1
• (C) Nm-2
(D) Jm-1
• (B) Nm-1
• Q. 15  The SI unit of velocity is ______________
• (A) Poise
(B) Pascal
• (C) Jule
(D) none of these
• (D) none of these
• Q. 16  The dimensional formula of surface tension is _____________
• (A) M1L1T-1
(B) M1 L1 T-2
• (C) M1L0T-2
(D) M1L-1T-1
• (C) M1L0T-2
• Q. 17  Potential difference is measured in ___________
• (A) Volt
(B) Ampere
• (C) Joule
(D) Watt
• (A) Volt
• Q. 18  Kirchhoff’s second law is based on law of conservation of _____________
• (A) Charge
(B) Momentum
• (C) Energy
(D) Mass
• (C) Energy
• Q. 19  In a color code of resistor, number 3 is represented by ____________
• (A) Blue
(B) Orange
• (C) Grey
(D) Violet
• (B) Orange
• Q. 20  Resistance of a conductor in the form of a wire depends on its ___________
• (A) Pressure
(B) Length
• (C) Temperature
(D) Material
• (B) Length
• Q. 21  An inductor stores energy in form of __________
• (A) Electrostatic field
(B) Electromagnetic field
• (C) Core
(D) Magnetic field
• (D) Magnetic field
• Q. 22  SI unit of torque is ___________
• (A) Nm
(B) Nm-1
• (C) Nm-2
(D) Jm-1
• (A) Nm
• Q. 23  A cube of ice is floating in water contained in a vessel. When the ice melts, the level of water in the vessel____________
• (A) rises
(B) falls
• (C) remain unchanged
(D) falls at first and then rises to the same height as before
• (C) remain unchanged
• Q. 24  The resultant of balanced force is ____________
• (A) non zero
(B) equal to zero
• (C) not equal to zero
(D) equal to the acceleration produced in body
• (B) equal to zero
• Q. 25  Inertia is ___________
• (A) property of matter
(B) type of force
• (C) speed of an object
(D) none of these
• (A) property of matter
• Q. 26  The gravitational force of earth acting on a body of mass 1 kg is ____________
• (A) 8.9 N
(B) 9.8 N
• (C) 980 N
(D) 1 N
• (B) 9.8 N
• Q. 27  Which pair of variables defines motion?
• (A) speed and distance
(B) time and momentum
• (C) Change of position and passage of time
(D) speed and passage of time
• (C) Change of position and passage of time
• Q. 28  The acceleration in a body is due to ___________
• (A) Balanced force
(B) Unbalanced force
• (C) Mass
(D) Electrostatic force
• (B) Unbalanced force