NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1276 - 1282 of 2000

Access detailed explanations (illustrated with images and videos) to 2000 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 1276

» Physics » Work, Energy & Power

Edit
MCQ▾

Question

The kinetic energy in terms of the momentum is given as:

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 1277

» Physics » Motion

Edit
MCQ▾

Question

If a freely falling body travels a distance in the last second, equal to the distance travelled by in the first 2 seconds, the approximate time of its travel is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1278

» Physics » Gravitation & Pressure

Edit
MCQ▾

Question

The weight of an object of mass is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1279

» Physics » Sound

Edit
MCQ▾

Question

If speed of sound in air is and an echo is heard in after the emission of sound, then the distance of the reflecting surface from the source is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1280

» Physics » Gravitation & Pressure

Edit
MCQ▾

Question

Calculate the height, at where weight of a body becomes of weight, when it is on the surface of earth. The radius of earth is .

Choices

Choice (4)Response

a.

b.

c.

r

d.

Question number: 1281

» Physics » Gravitation & Pressure

Edit
MCQ▾

Question

If an object floats with of its volume inside the water and of its volume inside the liquid, then the relative density of the liquid is:

Choices

Choice (4)Response

a.

3

b.

2

c.

d.

Question number: 1282

» Physics » Force & Laws of Motion

Edit
MCQ▾

Question

A force of is distributed uniformly on one face of a cube of edge . The pressure on this surface is approximately:

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: