## Physics Quiz for NEET, AIPM and JEE

MCQs

Q1: Wavelength of a LASER beam can be used as a standard of

(a) Time
(b) Temperature
(c) Angle
(d) Length

Q2: A mercury barometer is enclosed in a tall glass cylinder. What happens to the level of mercury if air is slowly removed from the enclosure by a vacuum pump? The level

(c) remains unchanged
(d) suddenly falls to zero

Q3: Which of the following is not a thermodynamic function?

(a) enthalpy
(b) work done
(c) internal energy
(d) Gibb's energy

Q4: Which of the following is the smallest temperature?

(a) 1 °R
(b) 1 °C
(c) 1 °F
(d) 1 K

Q5: A metallic particle having no net charge is placed near a finite metal plate carrying a positive charge. The particle will be

(a) attracted towards plate
(b) repelled by the plate
(c) experience zero force
(d) experience force parallel to plate

Q6: In a charged capacitor, the energy resides in

(a) positive charges
(b) both positive and negative charges
(c) the field between the plates
(d) around the edge of the capacitor plates

Q7: A magnetic needle is kept in a non-uniform magnetic field. It

(a) may experience a force but certainly not a torque
(b) may experience a torque but certainly not a force
(c) may experience both a torque as well as a force
(d) will certainly experience neither a force nor a torque.

Q8: In LCR series AC circuit the phase difference between current I and the potential difference V at resonance is:

(a) 0
(b) π/2
(c) π/4
(d) π

Q9: LASER light is considered to be cohorent because it consists of

(a) many wavelengths
(b) uncoordinated wavelengths
(c) co-ordinated waves of exactly same wavelength
(d) divergent beam

Q10: Which of the following factors do not influence the capacity of a capacitor

(a) Distance between the plates
(b) Material of the plates
(c) Area of the plates
(d) same everywhere

1: (d) Length
3: (c) internal energy
4: (c) 1 °F
5: (a) attracted towards plate
6: (c) the field between the plates
7: (a) may experience a force but certainly not a torque
8: (b) π/2
9: (c) co-ordinated waves of exactly same wavelength
10: (b) Material of the plates