Category: FPSC Physics Lecturer Test Past Papers

(A) Direction of charge
(B) path of charge
(C) An electric line of force
(D) Magnetic line of force

Answer: (C) An electric line of force
The path along which a unit positive charge moves in an electric field is called electric line of force.

(A) 0.1 m/s
(B) 0.01 m/s
(C) 0.001 m/s
(D) 0.0001 m/s

Answer: (D) 0.0001 m/s

(A) Isobaric process
(B) Isothermal process
(C) Isochoric process
(D) Adiabatic process

Answer: (B) Isothermal process
Boyle’s law is an application of isothermal process.

(A) low pressure high temp
(B) low temp high pressure
(C) low pressure low temp
(D) high pressure high temp

Answer: (A) low pressure high temp
Real gases obey general gas at low pressure high temp.

(A) Frequency
(B) Amplitude
(C) Intensity
(D) Wavelength

Answer: (D) Wavelength
Wavelength of the sound is affected by change in air temperature.