The shape of Santa’s cap is conical. The base radius of a cap is 8 cm and the height is 15 cm. What is the area of cloth required to make 25 caps for Santa(Use= 3.14)(in cm^2cm?
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Answer:
(a) rα ˃ rd ˃ rp (b) rα= rp˂ rd `` (c) rα= rd ˃ rd (d) rα=
Step-by-step explanation:
A proton, a deutron and an α- particle having the same kinetic energy are moving in circular trajectories in
a constant magnetic field. If rp, rd and rα denote respectively the radii of the trajectories of these particles,
then
(a) rα ˃ rd ˃ rp (b) rα= rp˂ rd `` (c) rα= rd ˃ rd (d) rα= rd = rd
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