When a speeding truck hits a stationary car, the car is deformed and heat is generated. What can you say about the kinetic energ
1 answer:
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Answer: D!
It is the option with the greatest amplitude.
Answer:
the radii of curvature is 30 cm.
Explanation:
given,
object is place at = 45 cm
image appears at = 90 cm
focal length = ?
refractive index = 1.5
radii of curvature = ?
f = 30 cm
using lens formula
R = 30 cm
hence, the radii of curvature is 30 cm.