InterviewSolution
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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.
| 1601. |
Choose one or more correct alternatives. a. For work to be performed, energy must be ....(i) transferred from one place to another(ii) concentrated(iii) transformed from one type to another(iv) destroyedb. Joule is the unit of ...(i) force(ii) work(iii) power(iv) energyc. Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?(i) the horizontal applied force(ii) gravitational force(iii) reaction force in vertical direction(iv) force of frictiond. Power is a measure of the .......(i) the rapidity with which work is done(ii) amount of energy required to perform the work(iii) The slowness with which work is performed(iv) length of timee. While dragging or lifting an object, negative work is done by(i) the applied force(ii) gravitational force(iii) frictional force(iv) reaction force |
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Answer» Choose one or more correct alternatives.
a. For work to be performed, energy must be .... (i) transferred from one place to another (ii) concentrated (iii) transformed from one type to another (iv) destroyed b. Joule is the unit of ... (i) force (ii) work (iii) power (iv) energy c. Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude? (i) the horizontal applied force (ii) gravitational force (iii) reaction force in vertical direction (iv) force of friction d. Power is a measure of the ....... (i) the rapidity with which work is done (ii) amount of energy required to perform the work (iii) The slowness with which work is performed (iv) length of time e. While dragging or lifting an object, negative work is done by (i) the applied force (ii) gravitational force (iii) frictional force (iv) reaction force |
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| 1602. |
A particle is displaced from position 2i cap -j cap +K cap m to another position 3 i cap+2 j cap-2k cap m under the action of f= 2 i cap+j cap-kcap N.Work done by the force is (8 J) ,(10J),(12J),(36J) |
| Answer» A particle is displaced from position 2i cap -j cap +K cap m to another position 3 i cap+2 j cap-2k cap m under the action of f= 2 i cap+j cap-kcap N.Work done by the force is (8 J) ,(10J),(12J),(36J) | |
| 1603. |
fjfl |
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Answer» fjfl |
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| 1604. |
Assertion : Electric Motor is a machine which is used to produce electrical energy.Reason : Electri motor contradicts the law of conservation of energy. |
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Answer» Assertion : Electric Motor is a machine which is used to produce electrical energy. Reason : Electri motor contradicts the law of conservation of energy. |
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| 1605. |
38.A person moves from A to D along the circular path A,B,C,D as shown in route 2 seconds then the average velocity of the person is_ Explain the solution |
| Answer» 38.A person moves from A to D along the circular path A,B,C,D as shown in route 2 seconds then the average velocity of the person is_ Explain the solution | |
| 1606. |
what is friction & lose and profit? |
| Answer» what is friction & lose and profit? | |
| 1607. |
prove that in uniform motion the displacement is equel to area enclosed by rec†an gle between time and velocity axis |
| Answer» prove that in uniform motion the displacement is equel to area enclosed by rec†an gle between time and velocity axis | |
| 1608. |
a truck travels with the cons†an t speed of 30km h and returns back with the cons†an t speedof 40 km h. caculate the average speed of the truck. |
| Answer» a truck travels with the cons†an t speed of 30km h and returns back with the cons†an t speedof 40 km h. caculate the average speed of the truck. | |
| 1609. |
At which place of the earth, the centripetal force is maximum |
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Answer» At which place of the earth, the centripetal force is maximum |
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| 1610. |
What are fossil fuels? Give examples. [2 MARKS] |
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Answer» What are fossil fuels? Give examples. [2 MARKS] |
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| 1611. |
What is the temperature range of a human body? [1 MARK] |
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Answer» What is the temperature range of a human body? [1 MARK] |
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| 1612. |
What are insulators? |
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Answer» What are insulators? |
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| 1613. |
According to the passage, one advantage that neutrinos have for studies in astronomy is that they: |
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Answer» According to the passage, one advantage that neutrinos have for studies in astronomy is that they: |
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| 1614. |
what is the unit of friction |
| Answer» what is the unit of friction | |
| 1615. |
A body travels 200 cm in the first two seconds and 220 cm in the next four seconds. The average speed of the body for the entire journey is . |
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Answer» A body travels 200 cm in the first two seconds and 220 cm in the next four seconds. The average speed of the body for the entire journey is |
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| 1616. |
Match the following units of area with their respective conversions. |
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Answer» Match the following units of area with their respective conversions. |
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| 1617. |
A cube of side 5 cm is immersed in water and then in saturated salt solution. In which case will it experience a greater buoyant force? If each side of the cube is reduced to 4 cm and then immersed in water, what will be the effect on the buoyant force experienced by the cube as compared to the first case of water?Give reason(s) for each case. |
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Answer» A cube of side 5 cm is immersed in water and then in saturated salt solution. In which case will it experience a greater buoyant force? If each side of the cube is reduced to 4 cm and then immersed in water, what will be the effect on the buoyant force experienced by the cube as compared to the first case of water? Give reason(s) for each case. |
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| 1618. |
What kind of watch will you use to accurately measure short intervals of time? |
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Answer» What kind of watch will you use to accurately measure short intervals of time? |
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| 1619. |
Which object allows light to pass through it partially? |
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Answer» Which object allows light to pass through it partially? |
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| 1620. |
39. A sample of kclo3 on decomposition yield 448ml of oxygen gas at NTP .Then the weight of oxygen produced is ? |
| Answer» 39. A sample of kclo3 on decomposition yield 448ml of oxygen gas at NTP .Then the weight of oxygen produced is ? | |
| 1621. |
When you have in a domestic wiring what is the advantage if all the appliances and Gadgets have individual fuse |
| Answer» When you have in a domestic wiring what is the advantage if all the appliances and Gadgets have individual fuse | |
| 1622. |
What do you mean by ventilation?How does convection currents help us during ventilation |
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Answer» What do you mean by ventilation?How does convection currents help us during ventilation |
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| 1623. |
Draw sketches to show the relative position of prominent stars in (a) Ursa Major and (b) Orion. |
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Answer» Draw sketches to show the relative position of prominent stars in (a) Ursa Major and (b) Orion. |
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| 1624. |
A coin is dropped in a swimming pool filled up with water. A man approaching the pool is just able to see the coin when he is at a distance of 1 metre from the edge of the pool. Next day the water of the pool was drained out. Now, at what distance from the edge, the coin will be just visible? |
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Answer» A coin is dropped in a swimming pool filled up with water. A man approaching the pool is just able to see the coin when he is at a distance of 1 metre from the edge of the pool. Next day the water of the pool was drained out. Now, at what distance from the edge, the coin will be just visible? |
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| 1625. |
In what state is water present in the atmosphere? |
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Answer» In what state is water present in the atmosphere? |
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| 1626. |
Can friction be eliminated completely? Explain. |
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Answer» Can friction be eliminated completely? Explain. |
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| 1627. |
Heat is supplied at cons†an t pressure to a diatomic gas. The part of this heat which goes to work done will be ? |
| Answer» Heat is supplied at cons†an t pressure to a diatomic gas. The part of this heat which goes to work done will be ? | |
| 1628. |
The best choice for a convenience store security mirror would be a |
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Answer» The best choice for a convenience store security mirror would be a |
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| 1629. |
Question 3 (d) Fill in the blanks : (d) No medium is required for transfer of heat by the process of ___. |
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Answer» Question 3 (d) |
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| 1630. |
We know that heat transfers but coldness (absence of heat) does not. Still when we take an ice cube in any 1 of our hands and bring the other hand near it feels cold. Why does this happen?🤔🤔🤔 |
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Answer» We know that heat transfers but coldness (absence of heat) does not. Still when we take an ice cube in any 1 of our hands and bring the other hand near it feels cold. Why does this happen?🤔🤔🤔 |
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| 1631. |
Sum of the charges in the induction sphere is still zero. How? |
| Answer» Sum of the charges in the induction sphere is still zero. How? | |
| 1632. |
Find the area of a rectangle with length 2l2m and breadth 3lm². |
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Answer» Find the area of a rectangle with length 2l2m and breadth 3lm². |
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| 1633. |
Identify the part which receives electric current and causes the bell hammer to move and ring the bell: |
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Answer» Identify the part which receives electric current and causes the bell hammer to move and ring the bell: |
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| 1634. |
Which of the following graphs correctly demonstrates a uniform motion? |
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Answer» Which of the following graphs correctly demonstrates a uniform motion? |
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| 1635. |
A small uniform tube is bent into a circular tube of radius R and kept in the vertical plane. Equal volume of two liquids of densities ρ and σ (ρ>σ) fill half of the tube as shown . θ is the angle which the radius passing through the interface makes with the vertical. Then |
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Answer» A small uniform tube is bent into a circular tube of radius R and kept in the vertical plane. Equal volume of two liquids of densities ρ and σ (ρ>σ) fill half of the tube as shown . θ is the angle which the radius passing through the interface makes with the vertical. Then |
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| 1636. |
The shape of a garden is rectangular in the middle and semi-circular at the ends as shown in the diagram. Find the area and the perimeter of this garden [Length of rectangle is 20 – (3.5 + 3.5) metres]. |
Answer» The shape of a garden is rectangular in the middle and semi-circular at the ends as shown in the diagram. Find the area and the perimeter of this garden [Length of rectangle is 20 – (3.5 + 3.5) metres]. |
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| 1637. |
What do you understand by thermal equilibrium? |
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Answer» What do you understand by thermal equilibrium? |
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| 1638. |
What is magnetic field? |
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Answer» What is magnetic field? |
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| 1639. |
How are the units of weight KGF and Newton related |
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Answer» How are the units of weight KGF and Newton related |
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| 1640. |
Fill in the blank with the correct adjective. The blue shoes are not as ______ as the brown ones are. |
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Answer» Fill in the blank with the correct adjective. The blue shoes are not as ______ as the brown ones are. |
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| 1641. |
Difference between solenoid and electromagnet ? |
| Answer» Difference between solenoid and electromagnet ? | |
| 1642. |
What are the factors that determine the pressure of the fluid at a given point within the fluid ? |
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Answer» What are the factors that determine the pressure of the fluid at a given point within the fluid ? |
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| 1643. |
formula for †an gential acceleration |
| Answer» formula for †an gential acceleration | |
| 1644. |
What is a screen in reference with virtual or real image? how can a image be captured on a screen? |
| Answer» What is a screen in reference with virtual or real image? how can a image be captured on a screen? | |
| 1645. |
Which of the given device(s) converts chemical energy to electrical energy? |
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Answer» Which of the given device(s) converts chemical energy to electrical energy? |
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| 1646. |
Roll a ball on the ground. Identify the types of motion? [1 MARK] |
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Answer» Roll a ball on the ground. Identify the types of motion? [1 MARK] |
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| 1647. |
107.A charge Q is spread uniformly in the form of a line charge density( lamba=Q/3a ) on the sides of an equilateral triangle of perimeter 3a. Calculate the potential at the centriod C of the triangle. |
| Answer» 107.A charge Q is spread uniformly in the form of a line charge density( lamba=Q/3a ) on the sides of an equilateral triangle of perimeter 3a. Calculate the potential at the centriod C of the triangle. | |
| 1648. |
Suppose the temperatures of bodies B and C initially were T1 and T2 respectively. They are now brought into contact. Heat starts flowing from C to B till their temperatures are at T. Which of the following is/are true? |
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Answer» Suppose the temperatures of bodies B and C initially were T1 and T2 respectively. They are now brought into contact. Heat starts flowing from C to B till their temperatures are at T. Which of the following is/are true? |
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| 1649. |
At t=0 x=0 and v=p root x where p is a constant. Find the displacement with respect to time |
| Answer» At t=0 x=0 and v=p root x where p is a constant. Find the displacement with respect to time | |
| 1650. |
Why do we cup our hands around our mouth if we have to shout aloud to someone at a distance? |
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Answer» Why do we cup our hands around our mouth if we have to shout aloud to someone at a distance? |
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