• NTSE
Back
0

NTSE

Description: getting interested in physics in a more simpler way.
Number of Questions: 25
Created by:
Tags: sound light solarsystem Sound and Waves Reflection of Light Force Universe Friction Human Body Physical and Chemical Changes Gravitation Combustion and Flame Coal and Petroleum
Start the Quiz
Attempted 0/25 Correct 0 Score 0
‹
›

Which of the following sentences is incorrect?

  1. Sound can travel through air.

  2. Sound can travel through solids.

  3. Sound can travel through liquid.

  4. Sound can travel through vacuum.

Show answer
Correct Option: D
Explanation:

Yes, this is the correct answer. Sound needs medium to travel, which is not present in vacuum.

Which part in human throat is responsible for producing sound in humans?

  1. Nostrils

  2. Lungs

  3. Larynx

  4. Epiglottis

Show answer
Correct Option: C
Explanation:

Yes, it is correct. Larynx moves up and down when we speak. It is also known as voice-box, which is made up of two vocal chords which vibrate to produce sound.

Which pair of musical instruments is not alike?

  1. Tabla and dholak

  2. Guitar and sitar

  3. Flute and trumpet

  4. Veena and tabla

Show answer
Correct Option: D
Explanation:

Yes, this is correct answer as in veena the vibrating part that produces sound is the stretched string and in tabla it is the stretched membrane.

What divides the angle of deviation into equal parts?

  1. The incident ray

  2. The reflected ray

  3. The normal

  4. The plane surface of mirror

Show answer
Correct Option: C
Explanation:

Yes, it is correct. It is the perpendicular on mirror, which divides the angle of deviation into two equal parts. One is angle of incident and the other is angle of reflection.

The second law of reflection states that

  1. The angle of incidence and the angle of reflection are made on the normal.

  2. The incident ray, the relected ray and the normal lie in the same plane.

  3. The angle of incidence is equal to angle of reflection.

  4. The ray, which comes from the source falls on the mirror is called incident ray.

Show answer
Correct Option: B
Explanation:

Yes, it is correct. The reflected ray leaves the mirror at the same angle at which the incident ray strikes.

When on an object, forces are applied in opposite directions, the net force on the object is_________

  1. equal to the difference between the two forces

  2. equal to the sum of both the forces

  3. equal to the smaller force

  4. equal to the large force

Show answer
Correct Option: A
Explanation:

Yes, it is correct. The net force shows the effect on the object. Here, the forces are applied in opposite directions so the net force is the difference of two.

Which of the following planets is not a terrestrial planet?

  1. Mercury

  2. Jupiter

  3. Venus

  4. Earth

Show answer
Correct Option: B
Explanation:

Yes, it is correct. Jupiter is not a terrestrial planet. They are known as gas giants and also outer planets. It is composed of mainly gases.

What is the difference between a planet and a star?

  1. Planets are bigger than stars.

  2. Planets do not twinkle.

  3. Planets do not emit light.

  4. Planets are stationary.

Show answer
Correct Option: B
Explanation:

Yes, it is correct. Planets shine steadily, they do not twinkle. Actually planets are closer to earth as compared to stars so the twinkling effect of refracted light is not noticeable as in stars.They are far away from us and appear as pin point to us.

Which of the following statements is false?

  1. Distilled water is a bad conductor of electricity.

  2. Sea water is a good conductor of electricity.

  3. Tap water is a bad conductor of electricity.

  4. Water to which table salt is added becomes a good conductor of electricity.

Show answer
Correct Option: C
Explanation:

Yes, it is the right answer as this statement is false. Tap water has dissolved minerals, which makes the tap water a good conductor of electricity.

Which of the following constellations is visible in Northern hemisphere only in winters and resembles the letter 'W'?

  1. Cassiopeia

  2. Orion

  3. Ursa major

  4. The great Bear

Show answer
Correct Option: A
Explanation:

Yes, it is correct. It is the constellation visible in northern hemisphere resembling the letter 'W' or distorted 'M'. It is made up of many stars but only few bright stars are visible with our naked eye.

A man went to an eye specialist. The doctor told him that his eye lens had become cloudy. The man is suffering from which disease?

  1. Myopia

  2. Glaucoma

  3. Cataract

  4. Colour blindness

Show answer
Correct Option: C
Explanation:

Yes, it is correct. This is a common eye disease in older people in which the lens becomes cloudy and results in poor vision.

Which of the following household appliances are not electroplated?

  1. Bath taps

  2. Kitchen gas burners

  3. Utensils

  4. Cupboards

Show answer
Correct Option: D
Explanation:

Yes, it is correct. Cupboards are not electroplated. Electroplating is widely used to plate metal objects with a thin layer of other metal to protect it from corrosion, abrasions and wear resistance, etc.

Select the odd one out.

  1. Alcohol

  2. Steel

  3. Wood

  4. Petrol

Show answer
Correct Option: B
Explanation:

Yes, it is the correct answer as steel is the odd one out. All other substances are inflammable, while steel is not.

If an architect designs a house that has to be built in a high risk seismic zone. Which is the least important thing he will keep in mind?

  1. He will avoid the use of heavy construction material .

  2. He will keep the less constructed area of house.

  3. He will have fire-fighting equipment in the house.

  4. He will fit the cupboards and shelves tight into the walls .

Show answer
Correct Option: B
Explanation:

Yes, this is the correct answer as this is the least important factor, which an architect will keep in mind.

Which is considered to be the best fuel?

  1. Hydrogen

  2. Bio gas

  3. LPG

  4. Diesel

Show answer
Correct Option: A
Explanation:

 Yes, it is correct .Hydrogen has highest calorific value.1,50,000 kj / kg.Hence combustion of hydrogen produces huge amount of heat energy, and so considered as best fuel.

Which is the odd one out?

  1. Charcoal

  2. Petrol

  3. Diesel

  4. Kerosene

Show answer
Correct Option: A
Explanation:

Yes, it is correct. Charcoal is the only solid fuel amongst them rest all are liqiud fuels.

Which of the following planets is known as the morning and evening star?

  1. Mars

  2. Venus

  3. Jupiter

  4. Uranus

Show answer
Correct Option: B
Explanation:

Yes, it is correct. It appears in the eastern sky before sunrise. It also appears in the western sky just after the sunset. Therefore, it is called the morning and evening star.

What causes the seasons?

  1. The tilt of rotational earth's axis and revolution around sun

  2. Rotation of earth

  3. The gravitational pull of sun and moon

  4. The distance of sun from earth

Show answer
Correct Option: A
Explanation:

Yes, it is correct. The seasons are caused by the rotational earth's axis away or towards the sun as it travels through its year long path around the sun.

Which of the following examples shows that the force can change the shape of an object?

  1. A goal keeper applies force to stop a football.

  2. When a batsman hits a ball with his bat.

  3. Rolling the dough into round chapattis.

  4. To kick a small stone on the road.

Show answer
Correct Option: C
Explanation:

Yes, it is correct. The force is applied to change the shape of the dough to make thin circular chapattis.

Which type of surface reflects the maximum light?

  1. An opaque surface

  2. A transparent surface

  3. A translucent surface

  4. A smooth shiny surface

Show answer
Correct Option: D
Explanation:

 Yes, it is correct. It reflects almost all the light that falls on it and its surface is shiny and polished.

What is the reason that the sun rises in the east and sets in the west?

  1. The earth revolves west to east around the sun.

  2. The earth rotates from west to east.

  3. The tilt of earth's axis.

  4. The elliptical orbit of earth.

Show answer
Correct Option: B
Explanation:

Yes, it is correct. Earth rotates towards east and so the sun appears to rise in the east and sets in west.

Which is the odd one out?

  1. Great Bear

  2. Saptarishi

  3. Hunter

  4. Big dipper

Show answer
Correct Option: C
Explanation:

Yes, it is correct. This is the other name of constellation Orion where as all others are the names of Ursa major constellation.

Which shape of moon is visible on a new moon day?

  1. The crescent moon

  2. The full moon

  3. The gibbous moon

  4. No moon

Show answer
Correct Option: D
Explanation:

Yes, it is correct. A new moon is the phase when none of the moon is visible.

In which direction does the frictional force act on a car moving from left to right?

  1. From top to bottom

  2. From right to left

  3. From left to right

  4. From bottom to up

Show answer
Correct Option: B
Explanation:

Yes, it is correct. The frictional force acts in the opposite direction of the motion taking place.

Which is not a natural source of air pollution?

  1. Methane emitted by the digestion of food by animals.

  2. During summer season, some forests catch fire causing large amount of smoke in the atmosphere.

  3. Volcanic activities release large amount of harmful gases.

  4. The smoke released from vehicles.

Show answer
Correct Option: D
Explanation:

Yes, it is the correct answer. The smoke released from vehicles makes the air polluted. It is a man made source of air pollution.

- Hide questions
ADVERTISEMENT

Find more quizzes from top tags

general knowledge
3615 Quizzes
119858 Questions
 technology
307 Quizzes
36705 Questions
 sports
963 Quizzes
19148 Questions
 history
1187 Quizzes
13475 Questions
 physics
598 Quizzes
13441 Questions
 biology
1160 Quizzes
12174 Questions
 science & technology
551 Quizzes
11015 Questions
 chemistry
490 Quizzes
9892 Questions
 maths
518 Quizzes
9324 Questions
 softskills
0 Quizzes
7131 Questions