70-10/70 x 100 percentage change ....
60/70, 6/7 fract change
The answer should be speed hope this helps
3
The amplitude of oscillations has no effect on their time period.
The answer on the question given is letter B.Momentum is a vector quantity and kinetic energy is a scalar quantity.
Answer:
Answer:
750 nm
Explanation:
= separation of the slits = 1.8 mm = 0.0018 m
λ = wavelength of monochromatic light
= screen distance = 4.8 m
= position of first bright fringe =
= order = 1
Position of first bright fringe is given as
λ = 7.5 x 10⁻⁷ m
λ = 750 nm
Explanation:
