SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

Two identical billiard balls undergo an oblique elastic collision. Initially, one of the balls is stationary. If the initially stationary ball after collision moves in a direction which makes an angle of  with direction of initial motion of the moving ball, then the angle through which initially moving ball will be deflected is

a)

b)

c)

d)


Question ID - 100279 :-

Two identical billiard balls undergo an oblique elastic collision. Initially, one of the balls is stationary. If the initially stationary ball after collision moves in a direction which makes an angle of  with direction of initial motion of the moving ball, then the angle through which initially moving ball will be deflected is

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

When two identical balls undergo elastic oblique collisions with one of them stationary, then after collision they will move at right angles to each other

Alternative method I: Just like in previous question, you can proceed using centre of mass frame of reference

Alternative method II: Using basic equations of conservation of momentum, conservation of energy and coefficient of restitution, you can have the desired result



Next Question :

Which of the following is true regarding manganese toxicity in plants?

1)

Induction deficiencies of iron, magnesium and calcium

2)

Appearance of brown spots surrounded by chlorotic veins

3)

Inhibition of  ions translocation in the shoot apex

4)

All of the above


View Topper Answer

We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 10th maths guide, 10th science guide, 10th tamil guide, 10th social guide, 10th english guide, science 10th guide and also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.


SaraNextGen