Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 12 - 17 of 136

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Question number: 12

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

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

Choices

Choice (4) Response

a.

4 Ω

b.

6 Ω

c.

5 Ω

d.

None of the above

Question number: 13

» 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: 14

» 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: 15

» 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

Question number: 16

» Physics » Measurement

MCQ▾

Question

Convert the temperature of 50°C to Kelvin scale.

Choices

Choice (4) Response

a.

303 K

b.

323 K

c.

333 K

d.

313 K

Question number: 17

» Physics » Light

MCQ▾

Question

An object is placed at a distance of 30 cm from a concave mirror and its real image is formed at a distance of 30 cm from the mirror. The focal length of the mirror is

Choices

Choice (4) Response

a.

15 cm

b.

30 cm

c.

20 cm

d.

45 cm

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