The odometer in a vehicle measures MCQ with Answer and Explanation

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The odometer in a vehicle measures

A. Fuel consumption

B. Speed

C. Distance travelled

D. Engine RPM

Answer: Option C

Solution (By JKSSB Mock Tests)

Odometer records cumulative distance. Speedometer shows instantaneous speed.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1

Carnot efficiency depends on:

A. Engine size

B. Working substance

C. Source and sink temperatures only

D. Both (a) and (b)

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Correct Answer: Option C

Explanation:
η = 1 - T₂/T₁: depends only on absolute temperatures, independent of working fluid or design. Universal maximum efficiency limit. Memory tip: 'Carnot: only T_hot and T_cold matter; real engines less efficient'. Thermodynamics concept frequently tested in competitive exams.

This question belongs to: Science Physics

Question #2

The electromagnetic waves used in radar are

A. Infrared

B. Ultraviolet

C. Radio waves

D. Microwaves

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Correct Answer: Option D

Explanation:
RADAR uses microwaves (short wavelength radio waves). Often classified as microwaves.

This question belongs to: Science Physics

Question #3

A step-down transformer has turns ratio 10:1. Input voltage 220 V, output voltage is

A. 22 V

B. 110 V

C. 440 V

D. 2200 V

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Correct Answer: Option A

Explanation:
Vs/Vp = Ns/Np = 1/10 => Vs = 220/10 = 22 V.

This question belongs to: Science Physics

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