CTET

PHYSICS

IMPORTANT

QUESTIONS

Q. Which of the following can be used to complete an electric circuit if one runs out of connecting wire?

यदि कनकटिग तार स कोई सरकि ट बरक ननकलता ह तो ननमनललखित म स रकसका उपयोग इलकिक सरकि ट को परा करन क ललए रकया जा सकता ह?

A. A paper strip / एक कागज की पटटी

B. A rubber belt / एक रबर बलट

C. A wooden stick / एक लकडी की छडी

D. A blade / एक बलड

Q. A pendulum oscillates 30 times in 3 seconds. Chose the correct statement from among the following: एक पडलम 3 सकि ड म 30 बार िोलन करता ह। ननमनललखित म स शव कथन को चनो:

A. It’s time period is 10 s and frequency 3 Hz

B. It’s time period is 1 s and frequency is 10 Hz

C. It’s time period is 10 s and frequency is 0.3 Hz

D. It’s time period is. 0.3 s and frequency is 0.3 Hz

• Aman keeps a plastic bottle, a wooden spoon and a metallic spoon in a closed rom overnight. The room temperature is 30°C, In the morning he records the temperatures of the three objects as T1, T2 and T3. Which of the following most likely represents the relation between them?

अमन रात भर एक बिि बोतल म एक पलाकटटक की बोतल, एक लकडी का चममच और एक धात का चममच रिता ह। कमर का तापमान 30 डडगरी सकलसयस ह, सबह म वह तीन वटतओि क तापमान को T1, T2 और T3 क रप म ररकॉडि करता ह। ननमनललखित म स कौन सबस अधधक सिभावना ह रक उनक बीच सिबिध का परनतननधधतव करता ह?A. T3 > T2 > T1

B. T1 = T2 < T3

C. T1 > T2 > T3

D. T1 = T2 = T3

• If the frequency of a simple pendulum is 2 Hz, how many oscillations will it complete in 16 seconds?

यदि एक साधारण पडलम की आवतति 2 हटिज ह, तो 16 सकि ड म रकतन ऑलसलशन इस परा करग?A. 8

B. 16

C. 32

D. 64

• Sarika took distilled water in a bottle and tried to find whether it conducts electricity or not. What is she likely to find?

साररका न एक बोतल म आसत जल ललया और यह जानन की कोलशश की रक वह बबजली का सिचालन करती ह या नहीि। वह या िोजन की सिभावना ह?A. It is god conductor of electricity.

B. It ·is an insulator.

C. It is por conductor of electricity.

D. None of the above

• Which one of the following statements is not correct?

ननमनललखित म स कौन सा कथन सही नहीि ह?

A. There is a minimum limit of current which can safely flow in the electric circuit.

B. There is a maximum limit of current which can safely flow in the electric circuit.

C. Fuses are inserted in electric circuits of all the buildings.

D. If the proper fuse is inserted in a circuit, it will blow off if the current is more than the safe limit.

• A block of wood is lying at rest on a table. What can be said about the force(s) acting on it?

लकडी का एक बलॉक एक मज पर आराम स पडा हआ ह। उस पर कारिवाई करन वाल बल क बार म या कहा जा सकता ह?

A. Only gravitational force is acting on it.

B. Gravitational and frictional forces are acting on it.

C. There is no force acting on it.

D. There is a pair of balanced forces acting on it.

• Which of the following facts is not correct about magnets?

मगनट क बार म ननमनललखित म स कौन सा तथय सही नहीि ह?

A. Magnetic field is stronger at the poles of a bar magnet.

B. Magnetic field lines originate from north pole and merge at south pole of a magnet.

C. Attraction is a sure test of magnetism.

D. Like poles of magnet repel each other.

• The melting points (in °C) of Sulphur (S), Aluminum (Al) and Iron (Fe) are 113, 666 and 1535 respectively. Which one of the following is correct?

सलफर (S), एलयलमननयम (Al) और आयरन (Fe) क गलनािक (°C) करमशः 113, 666 और 1535 ह। ननमनललखित म स कौन सा सही ह?

A. Only Fe is solid at 200°C

B. Al and Fe are solids at 200°C

C. Fe, S and Al are solids at 200°C

D. Only S is solid at 200°C

• Read the given statements and select the correct option:

Statement

A: The range of clinical thermometer is from 35°C to 42°C. Statement

B: The range of laboratory thermometer is usually from 10°C to 110°C.

A. Both Statement A and Statement B are false

B. Statement A is correct but Statement B is false

C. Statement B is correct but Statement A is false

D. Both Statement A and Statement B are correct

• Which one of following statements is incorrect?

ननमनललखित म स कौन सा कथन गलत ह?

A. A whistle has a high frequency and therefore it produces a sound of higher pitch.

B. Generally the voice of a man is shriller than that of a woman.

C. A bird makes a high pitched sound whereas a lion makes a low-pitched roar.

D. A drum vibrates with a low frequency, therefore it produces a low pitched sound.

• An object is vibrating at 5000 Hz. The time period of the sound produced is

एक वटत 5000 हटिज पर कि पन कर रही ह। ननलमित धवनन की समयावधध ह

A. 0.005 s

B. 0.02 s

C. 0.0002 s

D. 0.5 s

‘एकमपयर-सकणड’ रकसका मातरक ह?Whose unit is the 'ampere-second’?

(A) गनत का

(B) ऊजाि की मातरा का

(C) उषमा का

(D) आवश की मातरा का

चनदरमा पर कया नह ी होन क कारण, वहाी ककसी परकार का जीवन नह ी ह?Because of what is not on the moon, there is no life there?

(A) ऑसीजन

(B) नाइिोजन

(C) जल

(D) गिधक

फाउनदटन पन ककस ननयम पर काम करता ह?What rule does the fountain pen work on?

(A) अपवतिन की रकरया

(B) परावतिन की रकरया

(C) गनत की रकरया

(D) कलशका रकरया

सयि की उषमा पथवी पर कस पहिचती ह?How does the sun's heat reach the earth?

(A) ततवरकरणो क दवारा

(B) कम गनत क दवारा

(C) तरिगो क दवारा

(D) तज गनत क दवारा

Running water possesses ………………. Energy

बहत पानी क पास ………………ऊजाा।

(a) Potential

(b) Chemical

(c) Kinetic

(d) Sound

Which of the following is not attracted by the magnet?

ननमनललखित म स कौन चिबक दवारा आकततषित नहीि होता ह?

(a) Iron ball

(b) Nail

(c) Chalk piece

(d) Blade

Which of the following is attracted by magnets?

ननमनललखित म स कौन मगनट दवारा आकततषित होता ह?

(a) Paper

(b) Nail

(c) Wooden scale

(d) Plastic scale

Which one of the following is based on the heating effect of current?

ननमनललखित म स कौन सा ततवदयत परवाह क ताप परभाव पर आधाररत ह?

(a) Geyser

(b) Hair dryer

(c) Both

(d)None of the above

The degree of hotness or coldness of a body is ……………

ककसी शर र की गमााहट या ठीडक की डडगरी …………… ह

(a) temperature

(b) Coldness

(c) Thermometer

(d) heat

During charging ……………. Are transferred from one object to another

चाकजिग क िौरान ……………। एक वटत स िसरी वटत म टथानाितररत होत ह

(a) Protons

(b) Neutrons

(c) Electrons

(d) none of these

An electric fuse wire melts if the amount of current flowing through it is ……………

ववदयत परवाहहत तार वपघलता ह यहि उसम परवाहहत होन वाल ववदयत धारा की मातरा …………… ह।(a) more than a minimum amount

(b) less than a minimum amount

(c) more than a maximum amount

(d) less than a maximum amount

When liquids are heated, density of liquids ………………

जब तरल पिारा गमा होत ह, तरल पिारा का घनतव ………………

(a) Increases

(b) Decreases

(c) Unchanged

(d) decreases first and then increases

In household connection electric bulbs are connected in …………

घरल कनशन म बबजली क बलब ……… स जड होत ह

(a) Series

(b) Parallel

(c) series and parallel

(d) none of the above

Neutral atom consist of ……………….. number of proton with respect to electron

परमाण म इलिॉनो क सिबिध म ……………… .. परोटॉन की सिखया होती ह

(a) More

(b) Less

(c) Equal

(d) more or less

Name a device which is used to convert mechanical energy into electrical energy?उस उपकरण का नाम बताइए जजसका उपयोग याीतरतरक ऊजाा को ववदयत ऊजाा म बिलन क ललए ककया जाता ह?

A. Dip Circle

B. Denial Cell

C. Dynamo

D. Dynamometer

Twinkling of stars is due to

(a) reflection of light by clouds

(b) scattering of light by dust particles

(c) dispersion of light by water drops

(d) atmospheric refraction of starlight

Q. 1 kWh = ……….. J

(a) 3.6 × 10−6 J

(b) 13.6 × 106 J

(c) 3.6 ×106J

(d) 13.6 × 10−6 J

Which of the following gases are filled in electric bulbs?

(a) Helium and Neon

(b) Neon and Argon

(c) Argon and Hydrogen

(d) Argon and Nitrogen

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