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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 8401. |
Rahul went trekking with his friends. As they reached higher altitudes on the trek, they could feel their ears popping. Do you know the reason? |
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Answer» Rahul went trekking with his friends. As they reached higher altitudes on the trek, they could feel their ears popping. Do you know the reason? |
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| 8402. |
In the following diagram PA, PB, PC, PD and PE be the pressure exerted by the liquid in the vessels A, B, C, D and E respectively. Find the correct order of pressure exerted by each vessel. |
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Answer» In the following diagram PA, PB, PC, PD and PE be the pressure exerted by the liquid in the vessels A, B, C, D and E respectively. Find the correct order of pressure exerted by each vessel.
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| 8403. |
Two scooters starting from rest accelerate uniformly at the same rate. The second travels for twice the time of the first. Then the relation between the distance covered by the first scooter (s1) to that of the second scooter (s2) is |
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Answer» Two scooters starting from rest accelerate uniformly at the same rate. The second travels for twice the time of the first. Then the relation between the distance covered by the first scooter (s1) to that of the second scooter (s2) is |
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| 8404. |
When a beam of light moves from a rarer medium to a denser medium: |
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Answer» When a beam of light moves from a rarer medium to a denser medium: |
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| 8405. |
Match the following unit conversions correctly. |
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Answer» Match the following unit conversions correctly. |
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| 8406. |
Which of the following energy conversion takes place in an electric bell? |
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Answer» Which of the following energy conversion takes place in an electric bell? |
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| 8407. |
During the propagation of a wave, which of the following quantity is transferred? |
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Answer» During the propagation of a wave, which of the following quantity is transferred? |
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| 8408. |
What name is given to the force acting on a unit area of an object ? |
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Answer» What name is given to the force acting on a unit area of an object ? |
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| 8409. |
Arrange in ascending order the following moon phases based on illumination - Full, Crescent and New |
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Answer» Arrange in ascending order the following moon phases based on illumination - Full, Crescent and New |
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| 8410. |
What's the effect of medium on sound travel? |
| Answer» What's the effect of medium on sound travel? | |
| 8411. |
Which of the following is safe to do during lightning? |
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Answer» Which of the following is safe to do during lightning? |
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| 8412. |
why does dispersion of light takes place |
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Answer» why does dispersion of light takes place |
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| 8413. |
What is the thing in the prism that splits it into seven colours? |
| Answer» What is the thing in the prism that splits it into seven colours? | |
| 8414. |
A ray of light of frequency 5xten power four Hz is passed through a liquid . The wave length of light measured inside the liquid is found 450x ten power minus nine metres . Calculate the refractive index of liquid. |
| Answer» A ray of light of frequency 5xten power four Hz is passed through a liquid . The wave length of light measured inside the liquid is found 450x ten power minus nine metres . Calculate the refractive index of liquid. | |
| 8415. |
What is the name of transparent front part of an eye? |
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Answer» What is the name of transparent front part of an eye? |
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| 8416. |
Arrange the magnitudes of length in the ascending order. |
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Answer» Arrange the magnitudes of length in the ascending order. |
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| 8417. |
For electrolysis to take place, the compound used as an electrolyte should be a/an ___________. |
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Answer» For electrolysis to take place, the compound used as an electrolyte should be a/an ___________. |
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| 8418. |
The pressure of 2 L of O2 gas is doubled when its temperature is increased from 300 K to 600 K. Find the final volume of the gas. |
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Answer» The pressure of 2 L of O2 gas is doubled when its temperature is increased from 300 K to 600 K. Find the final volume of the gas. |
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| 8419. |
When the air is compressed, it is said to be |
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Answer» When the air is compressed, it is said to be |
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| 8420. |
Why does the size of naphthalene balls decrease when left open? |
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Answer» Why does the size of naphthalene balls decrease when left open? |
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| 8421. |
You have been given the value of an electric charge q flowing through a conductor in time t seconds. Which relation below will you use to find out the amount of current I flowing through the conductor. |
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Answer» You have been given the value of an electric charge q flowing through a conductor in time t seconds. Which relation below will you use to find out the amount of current I flowing through the conductor. |
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| 8422. |
What are charged objects? Give an example. [2 MARKS] |
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Answer» What are charged objects? Give an example. [2 MARKS] |
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| 8423. |
Which gases are generated in Bio gas plant? |
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Answer» Which gases are generated in Bio gas plant? |
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| 8424. |
A bottle kept on a table started leaking when two holes were made at the same level, the liquid through both the holes falls at the same distance from the bottle. This is because: |
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Answer» A bottle kept on a table started leaking when two holes were made at the same level, the liquid through both the holes falls at the same distance from the bottle. This is because: |
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| 8425. |
Describe an activity to verify the Archimedes' principle. |
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Answer» Describe an activity to verify the Archimedes' principle. |
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| 8426. |
How would 'force' on the bottom of a liquid level change if area is doubled keeping the 'pressure' same ? |
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Answer» How would 'force' on the bottom of a liquid level change if area is doubled keeping the 'pressure' same ? |
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| 8427. |
Why do mountaineers suffer from nose bleeding at a high altitude? |
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Answer» Why do mountaineers suffer from nose bleeding at a high altitude? |
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| 8428. |
Ques. A sphere shaped metallic body of radius 5cm gained 15×10^6 C electrons. Find the surface charge density of the sphere. |
| Answer» Ques. A sphere shaped metallic body of radius 5cm gained 15×10^6 C electrons. Find the surface charge density of the sphere. | |
| 8429. |
How does the burning of liquid hydrogen take place in rockets and other space crafts? Does it also require hydrogen to burn? How are they burning outside the atmosphere if the earth? |
| Answer» How does the burning of liquid hydrogen take place in rockets and other space crafts? Does it also require hydrogen to burn? How are they burning outside the atmosphere if the earth? | |
| 8430. |
The process of conversion of liquid to vapour is called________ |
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Answer» The process of conversion of liquid to vapour is called________ |
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| 8431. |
It is given that both liquid A and liquid B exert the same amount of pressure on their respective bases. The density of liquid A is twice the density of liquid B. The height of the column of liquid B is 10 cm. What would be the height of the column of liquid A? |
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Answer» It is given that both liquid A and liquid B exert the same amount of pressure on their respective bases. The density of liquid A is twice the density of liquid B. The height of the column of liquid B is 10 cm. What would be the height of the column of liquid A? |
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| 8432. |
Striking a drum harder or softer produces sound that differs in: |
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Answer» Striking a drum harder or softer produces sound that differs in: |
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| 8433. |
Case1: A ballon is fitted at the bottom of a cylinder which is half filled with water. Case2: A ballon is fitted at the bottom of a cylinder which is full filled with water. Which case will the ballon bulge more in? |
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Answer» Case1: A ballon is fitted at the bottom of a cylinder which is half filled with water. Case2: A ballon is fitted at the bottom of a cylinder which is full filled with water. |
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| 8434. |
Pressure at a point in a liquid is |
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Answer» Pressure at a point in a liquid is |
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| 8435. |
What happens when a beam of sunlight is passed through a glass prism ? |
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Answer» What happens when a beam of sunlight is passed through a glass prism ? |
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| 8436. |
A person is sliding an iron box across the floor. Its free body diagram will be |
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Answer» A person is sliding an iron box across the floor. Its free body diagram will be
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| 8437. |
The rate of evaporation increases with |
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Answer» The rate of evaporation increases with |
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| 8438. |
While drawing water from a well with a bucket the bucket of water appears to be lighter when it's under water is than when it's out of it . Give reason |
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Answer» While drawing water from a well with a bucket the bucket of water appears to be lighter when it's under water is than when it's out of it . Give reason |
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| 8439. |
Why does oiling the axles of a bicycle make the bicycle move more easily? |
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Answer» Why does oiling the axles of a bicycle make the bicycle move more easily? |
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| 8440. |
Assuming the density of air to be 1.295 kgm-3, find the fall in barometric height in mm of Hg at a height of 107 m above the sea level . Take density of mercury = 13.6 × 10pawer3 kg m-3. |
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Answer» Assuming the density of air to be 1.295 kgm-3, find the fall in barometric height in mm of Hg at a height of 107 m above the sea level . Take density of mercury = 13.6 × 10pawer3 kg m-3. |
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| 8441. |
How does sound travel as a transverse wave ? |
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Answer» How does sound travel as a transverse wave ? |
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| 8442. |
Scientific explanation of light in detail. |
| Answer» Scientific explanation of light in detail. | |
| 8443. |
What is the shape of earth ? |
| Answer» What is the shape of earth ? | |
| 8444. |
Identify the following, the processes which can be used to charge an uncharged body. (1) Conduction (2) Induction (3) Friction (4) Repulsion |
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Answer» Identify the following, the processes which can be used to charge an uncharged body. |
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| 8445. |
Why is the water from ponds and handpumps good conductor? |
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Answer» Why is the water from ponds and handpumps good conductor? |
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| 8446. |
1)what is drag and give any 4 examples 2)define ball bearing 2 examples |
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Answer» 1)what is drag and give any 4 examples 2)define ball bearing 2 examples |
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| 8447. |
Explain the structure of a cyclone. How has advanced technology helped in reducing the impact of cyclones? [5 MARKS] |
| Answer» Explain the structure of a cyclone. How has advanced technology helped in reducing the impact of cyclones? [5 MARKS] | |
| 8448. |
Why is Venus confused to be a star? |
| Answer» Why is Venus confused to be a star? | |
| 8449. |
A ball is rolled on sand, on road and on an ice. In which of the case will it move the farthest? |
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Answer» A ball is rolled on sand, on road and on an ice. In which of the case will it move the farthest? |
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| 8450. |
Why does the pressure of liquids increases with depth? What is the possible scientific reason for this? |
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Answer» Why does the pressure of liquids increases with depth? What is the possible scientific reason for this? |
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