Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 126 - 131 of 136

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1058 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 126

» Physics » Motion and Force

MCQ▾

Question

The velocity-time graph is shown in the figure for a particle. The acceleration of particle is

Velocity-time graph

Velocity-Time Graph

Velocity-time graph for a particle

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 127

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

Tendency of an atom in a molecule to attract the shared pair of electron towards itself is known as

Choices

Choice (4) Response

a.

Valency

b.

Electron-affinity (EA)

c.

Ionisation energy (i.e.)

d.

Electronegativity (EN)

Question number: 128

» Physics » Motion and Force

MCQ▾

Question

In uniform circular motion

Choices

Choice (4) Response

a.

The angular velocity varies but the angular momentum remains constant

b.

The angular velocity and the angular momentum vary

c.

The angular velocity and the angular momentum stay constant

d.

The angular momentum varies but the angular velocity remains constant

Question number: 129

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

Consider the following facts regarding electrons and identify the incorrect statements.

Choices

Choice (4) Response

a.

Electron was named by stoney

b.

Relative charge of an electron is

c.

Mass of an electron is

d.

Charge of an electron is

Question number: 130

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

If a length is increased due to stretching, then the percentage increase in its resistance will be

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 131

» Physics » Magnetism & Electricity at Work

Assertion-Reason▾

Assertion (Ꭺ)

is Ohm’s law

Reason (Ꭱ)

graph is always a straight line passing through origin

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

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

f Page
Sign In