Kinetic Theory of Gases [HBCSE Olympiads (Homi Bhabha Centre for Science Edu.) NSEP (Nat. Standard Exam in Physics)]: Questions 1 - 5 of 5

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Question 1

Appeared in Year: 2016

Question MCQ▾

Two identical rooms in a house are connected by an open doorway. The temperatures in the two rooms are maintained at two different values. Therefore –

Choices

Choice (4)Response

a.

The room with higher temperature contains more amount of air

b.

The room with higher pressure contains more amount of air

c.

The rooms contain the same amount of air

d.

The room with lower temperature contains more amount of air

Edit

Passage

A wheel of a car is made up of two parts (1) the central metal rim, and (2) the rubber tire. The width of the tire and height . The rim overlaps the tire. The total weight of the car is distributed evenly. The tires are inflated with air to a pressure of . The density of the air pressure of and at room temperature equals . The outer diameter of the tire is and that of the rim is 40 cm.

Wheel of a Car Consists of Rim and Rubber Tire

Ignore the thickness of rubber and use the dimensions given here.

Note that the units mentioned above are conventional units used in everyday life.

Question 2 (1 of 4 Based on Passage)

Appeared in Year: 2016

Question MCQ▾

The left side front tire was observed to be in contact with the road over a length L cm. The value of L is –

Choices

Choice (4)Response

a.

10.35 cm

b.

8.85 cm

c.

9.35 cm

d.

11.36 cm

Edit

Question 3 (2 of 4 Based on Passage)

Appeared in Year: 2016

Question MCQ▾

When five persons occupy the seats, L increases by 2.5 cm. The average weight of a person is –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 4 (3 of 4 Based on Passage)

Appeared in Year: 2016

Question MCQ▾

If five persons occupy the seats, the centre of the wheel is lowered by about –

Choices

Choice (4)Response

a.

2mm

b.

3mm

c.

4mm

d.

1mm

Edit

Question 5 (4 of 4 Based on Passage)

Appeared in Year: 2016

Question MCQ▾

The mass of air in a tire is about

Choices

Choice (4)Response

a.

b.

c.

d.

Edit