Answer:
the answer is b
Explanation:
gravity pulls you down so on a scale you will weigh more. less gravity you will weigh less.
Answer:
30 cm
Explanation:
f = Focal length = 25 cm
R = Radius of curvature (both sides are equal)
= Refractive index of lens = 1.6
The lens maker formula is given by
minus sign because it is on the other side

The radius of curvature of the glass surface is 30 cm
Frequency refers to the number of wavelengths that pass a fixed point in a minute. true or false
Answer:True