Work, Energy and Power-Conservation of Mechanical Energy [HBCSE Olympiads (Homi Bhabha Centre for Science Education) NSEP (Physics)]: Questions 1 - 3 of 3

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Question 1

Conservation of Mechanical Energy

Appeared in Year: 2016

Question

MCQ▾

Two particles of masses and are initially at rest and infinitely separated. At a later instant when they are at a finite distance from each other, their relative velocity of approach is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 2

Conservation of Mechanical Energy

Appeared in Year: 2016

Question

MCQ▾

An electron is injected directly towards the centre of a large metal plate having a uniform surface charge density of . The initial kinetic energy of the electron is . The electron is observed to stop as it just reaches the plate. Therefore the distance between the plate and the point from where the electron was injected is –

Choices

Choice (4)Response

a.

b.

c.

Data insufficient

d.

Question 3

Conservation of Mechanical Energy

Appeared in Year: 2016

Question

MCQ▾

A block of mass drops vertically from a height of onto a spring whose force constant K is . Therefore, the maximum compression of the spring is –

Choices

Choice (4)Response

a.

b.

c.

d.