JEE Main 2021PhysicsMotion In Two DimensionsMediumMCQ

JEE Main 2021 — Motion In Two Dimensions Question with Solution

JEE Main 2021 (01 Sep Shift 2)

Question

The ranges and heights for two projectiles projected with the same initial velocity at angles 42° and 48° with the horizontal are R1, R2 and H1, H2 respectively. Choose the correct option:

Choose an option

Show full solutionCorrect option: B
Correct answer
BR1=R2 and H1<H2

Step-by-step explanation

RangeR=u2sin2θg and same for θ and 90-θ. So, same for 42° and 48° Maximum height H=u2sin2θ2g, so height is high for higher θ. So, H for 48° is higher than H for 42°. 

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About this question

This is a previous-year question from JEE Main 2021, covering the Motion In Two Dimensions chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.