NEET Physics: Questions 164 - 167 of 2142

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 164

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A ball ‘A’ is projected from origin with an initial velocity v0 = 700 cm/sec in a direction 37° above the horizontal as shown in fig Another ball ‘B’ 300 cm from origin on a line 37° above the horizontal is released from rest at the instant A starts. How far will B have fallen when it is hit by A?

Choices

Choice (4) Response

a.

900 cm

b.

0.9 cm

c.

90 cm

d.

9 cm

Question number: 165

» Kinematics » Uniformly Accelerated Motion

Assertion-Reason▾

Assertion (Ꭺ)

In non-uniform circular motion, velocity vector and acceleration vector are not perpendicular to each other.

Reason (Ꭱ)

In non-uniform circular motion, particle has normal as well as tangential acceleration.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 166

» Laws of Motion » Centripetal Force

MCQ▾

Question

A body of mass 0.2 kg is moving on circular path of diameter 2.0 m at the rate of 10 revolutions per 31.4 seconds. The centripetal force acting on the body is -

Choices

Choice (4) Response

a.

2N

b.

4N

c.

0.4 N

d.

0.8 N

Question number: 167

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A car driver is negotiating a curve of radius 100 m with a speed of 18 km/hr. The angle through which he has to lean from the vertical will be –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In