(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
___ method is used to transfer the energy.
(A) Radiation
(B) Conduction
(C) Wave Motion
(D) All of the above
One of the isotopes of uranium is 238U92, the number of neutrons in this isotope is?
(A) 92
(B) 146
(C) 238
(D) 330