(A) &
(B) $
(C) *
(D) #
Author:
What is the name of phone scam busted by International police recently?
(A) Phone Swing
(B) FluBot
(C) VoiceBot
(D) None of the above
Recently which court declares e-challans illegal?
(A) Islamabad High Court
(B) Lahore High Court
(C) Supreme Court of Pakistan
(D) Peshawar High Court
When a lens is placed in a medium of equal density then?
(A) Focal length and power both becomes infinitive
(B) Focal length and power both becomes zero
(C) Focal length becomes infinitive and power becomes zero
(D) None of the above
If 2 plane mirrors facing each other are inclined at an angle of 30 degree with each other. Then number of images formed by an object lying between them is?
(A) 10
(B) 11
(C) 12
(D) 13
What should be the minimum length of a plane mirror in which a person can see his/her full image?
(A) One third of the height of the person
(B) Equal to the height of the person
(C) Half of the height of the person
(D) One fourth of the height of the person
A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an?
(A) Infrasonic wave
(B) Audible wave
(C) Microwave
(D) Ultrasonic wave
Stationary wave is formed by?
(A) A transverse wave superposing a longitudinal wave
(B) Two waves of same speed superposing
(C) Two waves of the same frequency travelling in the opposite direction
(D) None of the above