(A) 9×109Nm2C-2
(B) 9×10-9Nm2C-2
(C) 9×10-12Nm2C-2
(D) 9×1010Nm2C-2
What is the equation of electric intensity?
(A) E=q/F
(B) q=EF
(C) E=F/q
(D) F=-Eq
The refractive index of water is?
(A) 2.42
(B) 1.00
(C) 2.21
(D) 1.33
The intensity level of rusting of leaves is?
(A) 0 dB
(B) 30 dB
(C) 10 dB
(D) 40 dB
The equation for the Time period of Simple Pendulum is?
(A) T=2√l/g
(B) T=2ℼ√l/g
(C) T=2√g/k
(D) None of the above
What is the equation of Hook’s Law?
(A) F=x/K
(B) F=-Kx
(C) x=-FK
(D) K=-x/F
___ is the example of longitudinal waves.
(A) Light waves
(B) Sound waves
(C) Water waves
(D) Radio waves
The relation between velocity, frequency and wavelength of a wave is?
(A) vf=λ
(B) fλ=v
(C) vλ=f
(D) v=λ/f