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  • Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : When a body is projected at an angle <img alt="45^{\circ

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : When a body is projected at an angle 45^{\circ} , it’s range is maximum.
Reason R : For maximum range, the value of \sin 2\theta should be equal to one.

In the light of the above statements, choose the correct answer from the options given below :

Option: 1

Both A and R are correct but R is NOT the correct  explanation of A
 


Option: 2

 A is false but R is true
 


Option: 3

Both A and R are correct and R is the correct explanation of A
 


Option: 4

 A is true but R is false


Answers (1)

For a ground to ground projectile, Horizontal range is given by R=\frac{u^2 \sin 2 \theta}{g} And for R_{\max }, \sin 2 \theta must be maximum.

Posted by

Sumit Saini

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