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.
| 601. |
Diamond is the hardest substance present which is _________. |
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Answer» Diamond is the hardest substance present which is _________. |
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| 602. |
Define: Melting Boiling Evaporation |
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| 603. |
150.YDSE is made in a luquid.The tenth bright fringe in liquid lies in screen where 6th dark fringe lies in vacuum.Find the refractive index of the liquid. |
| Answer» 150.YDSE is made in a luquid.The tenth bright fringe in liquid lies in screen where 6th dark fringe lies in vacuum.Find the refractive index of the liquid. | |
| 604. |
One satellite is revolving around the earth in a path whose radius is half of that of orbital radius of moon.Satellite completes a revolution in |
| Answer» One satellite is revolving around the earth in a path whose radius is half of that of orbital radius of moon.Satellite completes a revolution in | |
| 605. |
Boojho was riding his bicycle along a straight road. He classified the motion of various parts of the bicycle as (i) rectilinear motion, (ii) circular motion and (iii) both rectilinear as well as circular motion. Can you list one part of the bicycle for each type of motion? Support your answer with reason. [3 MARKS] |
| Answer» Boojho was riding his bicycle along a straight road. He classified the motion of various parts of the bicycle as (i) rectilinear motion, (ii) circular motion and (iii) both rectilinear as well as circular motion. Can you list one part of the bicycle for each type of motion? Support your answer with reason. [3 MARKS] | |
| 606. |
what is the weight of a 70kg body on the surface of planet whose mass is 1/7th that of earth and radius is half of earth ? (1)20kgf (2) 40kgf (3)70kgf (4)140k |
| Answer» what is the weight of a 70kg body on the surface of planet whose mass is 1/7th that of earth and radius is half of earth ? (1)20kgf (2) 40kgf (3)70kgf (4)140k | |
| 607. |
44. An ideal pendulum oscillates in vacuum between two extreme positions A andB.If it goes from position A to position B and then returns from position B to mean position C in 3sec,then it will complete 3.5 oscillations in A 14sec B 4sec C. 1.14 sec D. 2sec |
| Answer» 44. An ideal pendulum oscillates in vacuum between two extreme positions A andB.If it goes from position A to position B and then returns from position B to mean position C in 3sec,then it will complete 3.5 oscillations in A 14sec B 4sec C. 1.14 sec D. 2sec | |
| 608. |
Consider the following statements and choose the correct option.1. Magnetic field lines around a magnet cannot intersect.2. When magnetic field lines intersect, the compass at the point of intersection flutuates between the two directions.Choose the correct option. |
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Answer» Consider the following statements and choose the correct option. |
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| 609. |
Draw a diagram to show reflection of a ray of light by a plane mirror. |
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Answer» Draw a diagram to show reflection of a ray of light by a plane mirror. |
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| 610. |
Why does the sun rises and sets at different times around the world? |
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Answer» Why does the sun rises and sets at different times around the world? |
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| 611. |
19. What is difference between anti ferro magnetic substances and ferri magnetic substances? |
| Answer» 19. What is difference between anti ferro magnetic substances and ferri magnetic substances? | |
| 612. |
Question 10 Three torches A, B and C shown in Fig. are switched on one by one. The light from which of the torches will not form a shadow of the ball on the screen. |
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Answer» Question 10 Three torches A, B and C shown in Fig. are switched on one by one. The light from which of the torches will not form a shadow of the ball on the screen. |
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| 613. |
The figure given below shows an image produced by an object placed in front of a plane mirror.Which is the object from among the following? |
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Answer» The figure given below shows an image produced by an object placed in front of a plane mirror. |
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| 614. |
The position of the particle along x axis at time t is given by x=2+t-3t^2. The displacement and distance traveled in the interval t=0 to t=1 are respectively1. 2,22. -2,2.53. 0,24. -2,2.1 |
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Answer» The position of the particle along x axis at time t is given by x=2+t-3t^2. The displacement and distance traveled in the interval t=0 to t=1 are respectively 1. 2,2 2. -2,2.5 3. 0,2 4. -2,2.1 |
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| 615. |
How mant images of a person is formed who is in a room whose adjecent walls and ceiling are plane mirrors? a)4 b)5 c)6 d) |
| Answer» How mant images of a person is formed who is in a room whose adjecent walls and ceiling are plane mirrors? a)4 b)5 c)6 d) | |
| 616. |
Question 3 (c)Fill in the blanks in the following statements:(c) To move a loaded trolley we have to ___ it. |
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Answer» Question 3 (c) |
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| 617. |
When a larger gear is turning a smaller gear, the smaller gear |
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Answer» When a larger gear is turning a smaller gear, the smaller gear
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| 618. |
In which direction will a freely suspended bar magnet get aligned? Why? |
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Answer» In which direction will a freely suspended bar magnet get aligned? Why? |
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| 619. |
Which out of Cu2+, Fe2+ , and Cr3+ has highest paramagnetism and why |
| Answer» Which out of Cu2+, Fe2+ , and Cr3+ has highest paramagnetism and why | |
| 620. |
why american flag do not burn on moon by direct ray of sunlight? |
| Answer» why american flag do not burn on moon by direct ray of sunlight? | |
| 621. |
9. Two resistors R1 and R2 having temperature coefficient alpha 1 and alpha 2 are connected in parallel. then find equivalent temp. coefficient of the combination? |
| Answer» 9. Two resistors R1 and R2 having temperature coefficient alpha 1 and alpha 2 are connected in parallel. then find equivalent temp. coefficient of the combination? | |
| 622. |
3000 hectometres = _____ kilometres. |
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Answer» 3000 hectometres = _____ kilometres. |
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| 623. |
Five balls marked a to e are suspended using separate threads . Pair (b,c),(d,e) show electrostatic repulsion while pairs (a,b),(c,e),(a,e) show electrostatic attraction .What is nature of charge of ball a |
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Answer» Five balls marked a to e are suspended using separate threads . Pair (b,c),(d,e) show electrostatic repulsion while pairs (a,b),(c,e),(a,e) show electrostatic attraction .What is nature of charge of ball a |
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| 624. |
Solve the following:A piece of 22.75m is cut from a cloth of length 35m. What is the length of the cloth remaining? |
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Answer» Solve the following: A piece of 22.75m is cut from a cloth of length 35m. What is the length of the cloth remaining? |
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| 625. |
Distinguish between Galaxy and Universe. |
| Answer» Distinguish between Galaxy and Universe. | |
| 626. |
Which kind of motion produces sound? |
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Answer» Which kind of motion produces sound? |
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| 627. |
Why is the Earth called the 'Blue Planet? |
| Answer» Why is the Earth called the 'Blue Planet? | |
| 628. |
State any three properties of magnet. |
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Answer» State any three properties of magnet. |
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| 629. |
नीचे लिखे शब्दों का उच्चारण कीजिए और समझिए कि किस प्रकार नुक्ते के कारण उनमें अर्थ परिवर्तन आ गया है। राज़ (रहस्य) फ़न (कौशल) राज (शासन) फन (साँप का मुहँ) ज़रा (थोड़ा) फ़लक (आकाश) जरा (बुढ़ापा) फलक (लकड़ी का तख्ता) ज़ फ़ से युक्त दो-दो शब्दों को और लिखिए। |
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Answer» नीचे
ज़
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| 630. |
Comment on the lines that make you visualise the colourful image of the peacock. |
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Answer» Comment on the lines that make you visualise the colourful image of the peacock. |
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| 631. |
The least count of a stop watch is 1/5 second. The time of 20 oscillations of a pendulum is measured to be 25 seconds. The maximum percentage error in the measurement of time will be (1)0.1% (2)0.8% (3)1.8% (4)8% |
| Answer» The least count of a stop watch is 1/5 second. The time of 20 oscillations of a pendulum is measured to be 25 seconds. The maximum percentage error in the measurement of time will be (1)0.1% (2)0.8% (3)1.8% (4)8% | |
| 632. |
What is the difference between magnetic and non-magnetic materials? Give examples. |
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| 633. |
mean radius if earth is R and angular velocuty on its axis is w . what will be its radius of orbit of geostationary sataellite is |
| Answer» mean radius if earth is R and angular velocuty on its axis is w . what will be its radius of orbit of geostationary sataellite is | |
| 634. |
State three important uses of a magnet. |
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Answer» State three important uses of a magnet. |
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| 635. |
what is light |
| Answer» what is light | |
| 636. |
The least count of a stop watch is 15 second. The time of 20 oscillations of a pendulum is measured to be 25 seconds. The maximum percentage error in the measurement of time will be ?? |
| Answer» The least count of a stop watch is 15 second. The time of 20 oscillations of a pendulum is measured to be 25 seconds. The maximum percentage error in the measurement of time will be ?? | |
| 637. |
Which of these does not use a magnet?(a) LCD TV(b) electric fan(c) computer hard disk(d) DVD |
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Answer» Which of these does not use a magnet? (a) LCD TV (b) electric fan (c) computer hard disk (d) DVD |
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| 638. |
Electric wires used at home have a coating of plastic. Why is this necessary? |
| Answer» Electric wires used at home have a coating of plastic. Why is this necessary? | |
| 639. |
Is work done when leaves fly in the wind? |
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Answer» Is work done when leaves fly in the wind? |
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| 640. |
how 2 calculate optical purity in detail ? |
| Answer» how 2 calculate optical purity in detail ? | |
| 641. |
A bar magnet has pole strength 5 A/m magnetic length 20 cm and cross sectional area 2.5 cm2 then its magnetic dipole moment and magnetisation are |
| Answer» A bar magnet has pole strength 5 A/m magnetic length 20 cm and cross sectional area 2.5 cm2 then its magnetic dipole moment and magnetisation are | |
| 642. |
37. Two identical very short bar magnets are placed such as one is lying horizontally and the other vertically. A small magnetic needle placed at point 'O' makes an angle 30^° with horizontal. Point O is at dis†an ce d1 away from the centre of horizontal magnet and d2 from the centre of vertical magnet. The relation between d1 and d2 i |
| Answer» 37. Two identical very short bar magnets are placed such as one is lying horizontally and the other vertically. A small magnetic needle placed at point 'O' makes an angle 30^° with horizontal. Point O is at dis†an ce d1 away from the centre of horizontal magnet and d2 from the centre of vertical magnet. The relation between d1 and d2 i | |
| 643. |
Fill in the blanks. (a) The inclined plane is a …………….machine. (b) The wheel and its ……………. form a simple machine. (c) The sewing machine is a ……………. machine. (d) ……………. must be applied to make a machine work. |
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Answer» Fill in the blanks. (a) The inclined plane is a …………….machine. (b) The wheel and its ……………. form a simple machine. (c) The sewing machine is a ……………. machine. (d) ……………. must be applied to make a machine work. |
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| 644. |
Three identical iron bars are kept on a table. Two out of three bars are magnets. In one of the magnets the North-South poles are marked. How will you find out which of the other two bars is a magnet? Identify the poles of this magnet. |
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Answer» Three identical iron bars are kept on a table. Two out of three bars are magnets. In one of the magnets the North-South poles are marked. How will you find out which of the other two bars is a magnet? Identify the poles of this magnet. |
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| 645. |
identical short bar magnets are placed at 120Twoas shown in the figure. The magnetic moment ofeach magnet is M. Then the magnetic field at thepoint P on the angle bisector is given by120^° |
| Answer» identical short bar magnets are placed at 120Twoas shown in the figure. The magnetic moment ofeach magnet is M. Then the magnetic field at thepoint P on the angle bisector is given by120^° | |
| 646. |
What is effective refractive index? |
| Answer» What is effective refractive index? | |
| 647. |
A boy throws a ball vertically upwards. The motion of the ball while it is moving upwards is |
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Answer» A boy throws a ball vertically upwards. The motion of the ball while it is moving upwards is |
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| 648. |
Electric bell works on which of the following effects of current? |
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Answer» Electric bell works on which of the following effects of current? |
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| 649. |
A shadow is formed when(a) light from a luminous object reaches our eyes.(b) light from a luminous object reaches our eyes after reflection.(c) light from a luminous object is prevented from reaching our eyes by another object.(d) light from a luminous object reaches our eyes after passing through a transparent object. |
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Answer» A shadow is formed when (a) light from a luminous object reaches our eyes. (b) light from a luminous object reaches our eyes after reflection. (c) light from a luminous object is prevented from reaching our eyes by another object. (d) light from a luminous object reaches our eyes after passing through a transparent object. |
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| 650. |
Two open organ pipe of length L1 and L2 (L2> L1.)produces x beats/second, then speed of sound in organ pipe is |
| Answer» Two open organ pipe of length L1 and L2 (L2> L1.)produces x beats/second, then speed of sound in organ pipe is | |
