(A) Ampere
(B) Electron volt
(C) Volt
(D) Joule
A positive electric charge?
(A) Attracts other neutral charge
(B) Attracts other positive charge
(C) Repels other positive charge
(D) Repels other neutral charge
During refraction of light the quality of ___ is not changed.
(A) Its frequency
(B) Its wavelength
(C) Its speed
(D) Its direction
For a normal person audible frequency range for sound wave lies between?
(A) 10 Hz to 10 Khz
(B) 20 Hz to 20 Khz
(C) 25 Hz to 25 Khz
(D) 30 Hz to 30 Khz
Device which can be used to produce both Transverse and Longitudinal waves is called?
(A) Ripple tank
(B) A string
(C) Helical spring
(D) Tuning fork
Characteristic of a wave which is independent of the others is called?
(A) Frequency
(B) Aplitude
(C) Wavelength
(D) Speed
What is the equation of Joule’s law?
(A) w=I2Rt
(B) w=IR2t
(C) w=IRt2
(D) w=IR
What is the unit of capacitance?
(A) Farad
(B) Volt
(C) Watt
(D) Ampere