Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 18 - 22 of 133

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Question number: 18

» Physics » Light

MCQ▾

Question

In the figure, an air lens is cut in a cylinder of glass of refractive index 1.5. The nature of the lens is

An air lens cut in cylinder of glass

An Air Lens Cut in Cylinder of Glass

Find the Nature of the lens which is cut in a cylinder of glass.

Choices

Choice (4) Response
a.

diverging

b.

neither diverging nor converging

c.

converging

d. Question does not provide sufficient data or is vague

Question number: 19

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

If in the circuit, power dissipation is 150 W, then R is

The image display is power circut.

The Image Display Is Power Circut.

Find the value of one resistance in a Parallel circuit

Choices

Choice (4) Response
a.

4 Ω

b.

6 Ω

c.

5 Ω

d. None of the above

Question number: 20

» Physics » Motion and Force

MCQ▾

Question

A particle starts from rest, accelerates at 2 m/s 2 for 10 s and then goes for constant speed for 30 s and then decelerates at 4 m/s 2 till it stops. What is the distance travelled by it?

Choices

Choice (4) Response
a.

750 m

b.

700 m

c.

800 m

d.

850 m

Question number: 21

» Physics » Motion and Force

MCQ▾

Question

A dip needle in a plane perpendicular to magnetic meridian will remain

Choices

Choice (4) Response
a.

in any direction

b.

horizontal

c.

vertical

d.

at an angle of dip to the horizontal

Question number: 22

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

On applying an external magnetic field to a ferromagnetic substance domains

Choices

Choice (4) Response
a.

align in the direction opposite to magnetic field

b.

remains unaffected

c.

align in the direction of magnetic field

d. All of the above

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