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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.
| 1351. |
59.If A and B are two vectors inclined to each other at angle theta then component of A perpendicular to B and lying in plane containing A and B is |
| Answer» 59.If A and B are two vectors inclined to each other at angle theta then component of A perpendicular to B and lying in plane containing A and B is | |
| 1352. |
(a) What is a vibration (or an oscillation)? Define 'amplitude' of vibration of an object. (b) What is the frequency of a vibrating body whose time-period is 0.05 second ? |
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Answer» (a) What is a vibration (or an oscillation)? Define 'amplitude' of vibration of an object. (b) What is the frequency of a vibrating body whose time-period is 0.05 second ? |
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| 1353. |
Velocity(v)-time(t) graph for two bodies A and B moving along x-axis is shown in diagram. What is the acceleration of B relative to A?चित्र में x-अक्ष के अनुदिश गतिशील दो पिण्डों A तथा B के लिए वेग (v)–समय (t) आरेख दर्शाया गया है। A के सापेक्ष B का त्वरण क्या है? |
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Answer» Velocity(v)-time(t) graph for two bodies A and B moving along x-axis is shown in diagram. What is the acceleration of B relative to A? |
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| 1354. |
What is meant by series combination? Illustrate this with the help of diagram. |
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Answer» What is meant by series combination? Illustrate this with the help of diagram. |
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| 1355. |
Name two of each of the following.a. Musical instruments that produce sound by vibration of a stretched stringb. Musical instruments that produce sound by vibration of a stretched skinc. Musical instruments that produce sound by vibration of an air column |
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Answer» Name two of each of the following. a. Musical instruments that produce sound by vibration of a stretched string b. Musical instruments that produce sound by vibration of a stretched skin c. Musical instruments that produce sound by vibration of an air column |
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| 1356. |
Moon is a |
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Answer» Moon is a |
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| 1357. |
A CYCLISTS IS TRAVELLING AT 15M/S-1 SHE APPLIES BRAKES SO THAT SHE DOES NOT COLLIDE WITH A WALL 18M AWAY WHAT IS ACCELERATION SHE HAVE? |
| Answer» A CYCLISTS IS TRAVELLING AT 15M/S-1 SHE APPLIES BRAKES SO THAT SHE DOES NOT COLLIDE WITH A WALL 18M AWAY WHAT IS ACCELERATION SHE HAVE? | |
| 1358. |
Which of the following is a unit of magnetic field intensity? |
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Answer» Which of the following is a unit of magnetic field intensity? |
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| 1359. |
Why meteors are not visible during daytime? |
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Answer» Why meteors are not visible during daytime? |
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| 1360. |
When the rays reflected from a surface are in different directions, the reflection is known as: |
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Answer» When the rays reflected from a surface are in different directions, the reflection is known as: |
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| 1361. |
The protruding part of the throat seen in males is called: |
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Answer» The protruding part of the throat seen in males is called: |
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| 1362. |
find roots by completing square method p²x²+(p/q)x+r=0 |
| Answer» find roots by completing square method p²x²+(p/q)x+r=0 | |
| 1363. |
Question 1Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play(a) only if the objects are solid.(b) only if one of the two objects is liquid.(c) only if one of the two objects is gaseous.(d) irrespective of whether the objects are solid, liquid or gaseous. |
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Answer» Question 1 Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play (a) only if the objects are solid. (b) only if one of the two objects is liquid. (c) only if one of the two objects is gaseous. (d) irrespective of whether the objects are solid, liquid or gaseous. |
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| 1364. |
Find the work done to transfer 1019 electrons from point A to B which is maintained at a potential difference of 5 volts. |
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Answer» Find the work done to transfer 1019 electrons from point A to B which is maintained at a potential difference of 5 volts. |
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| 1365. |
Light rays can be reflected multiple times.This principle is used in the which of the following instrument? |
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Answer» Light rays can be reflected multiple times.This principle is used in the which of the following instrument? |
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| 1366. |
State whether the following statements are true or false: (a) Constellation Orion can be seen only with a telescope. (b) Pole Star is a member of the Solar system. (c) Mercury is the smallest planet of the Solar system. (d) Uranus is the farthest planet in the Solar system. (e) There are nine planets in the Solar system. (f) Comets are members of the solar system. (g) INSAT is an artificial satellite. |
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Answer» State whether the following statements are true or false: (a) Constellation Orion can be seen only with a telescope. (b) Pole Star is a member of the Solar system. (c) Mercury is the smallest planet of the Solar system. (d) Uranus is the farthest planet in the Solar system. (e) There are nine planets in the Solar system. (f) Comets are members of the solar system. (g) INSAT is an artificial satellite. |
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| 1367. |
Paragraph for below questionनीचे दिए गए प्रश्न के लिए अनुच्छेदA constant horizontal force F acts on top of a uniform disc (M, R) placed on rough horizontal surface as shown. If there is no slippage at point of contact, then answer the following question.दर्शाए अनुसार खुरदरे क्षैतिज पृष्ठ पर रखी एक समरूप डिस्क (M, R) के शीर्ष पर एक नियत क्षैतिज बल F कार्य करता है। यदि सम्पर्क बिन्दु पर कोई फिसलन नहीं है, तब निम्नलिखित प्रश्न का उत्तर दीजिए।Q. Friction force acting on disc isप्रश्न - डिस्क पर कार्यरत घर्षण बल है |
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Answer» Paragraph for below question |
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| 1368. |
Sound produced by an object vibrating with a higher frequency is described as: |
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Answer» Sound produced by an object vibrating with a higher frequency is described as: |
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| 1369. |
Draw a labelled diagram of larynx and explain its functions. |
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Answer» Draw a labelled diagram of larynx and explain its functions. |
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| 1370. |
What is the relation between Loudness and Amplitude. [2 MARKS] |
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Answer» What is the relation between Loudness and Amplitude. [2 MARKS] |
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| 1371. |
When plane of a dip circle is along magnetic meridian, period of oscillation of dip needle is T1. When plane of dip circle is perpendicular to the magnetic meridian, the time period of oscillation is T2 then T1:T2 is (angle of dip = 30 degree) 1.√22.13.24.1/√2 |
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Answer» When plane of a dip circle is along magnetic meridian, period of oscillation of dip needle is T1. When plane of dip circle is perpendicular to the magnetic meridian, the time period of oscillation is T2 then T1:T2 is (angle of dip = 30 degree) 1.√2 2.1 3.2 4.1/√2 |
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| 1372. |
Draw along the dots. So, what did you make?Can you make sounds like a train?Draw a face on the balloon below. One has been done for you.Disclaimer: Kindly refer the textbook for the images. |
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Answer» Draw along the dots. So, what did you make? Can you make sounds like a train? Draw a face on the balloon below. One has been done for you. Disclaimer: Kindly refer the textbook for the images. |
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| 1373. |
An object placed in front of a concave mirror of focal length 0.15 m produces a virtual image which is twice the size of the object. The position of the object from the mirror as per sign convention is |
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Answer» An object placed in front of a concave mirror of focal length 0.15 m produces a virtual image which is twice the size of the object. The position of the object from the mirror as per sign convention is |
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| 1374. |
n1 is the unit vector along the incident ray, n2 along normal and n3 along reflected ray then which of the following is true? |
| Answer» n1 is the unit vector along the incident ray, n2 along normal and n3 along reflected ray then which of the following is true? | |
| 1375. |
How does the pressure exerted by a liquid vary with a. direction? b. depth? |
| Answer» How does the pressure exerted by a liquid vary with a. direction? b. depth? | |
| 1376. |
Why does the author sound enthused by the discovery of TRAPPIST-1? |
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Answer» Why does the author sound enthused by the discovery of TRAPPIST-1? |
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| 1377. |
On a given winter night, Himanshu has two options, either to use a single layer blanket or two layers of same blanket. Which option will keep him more warm? |
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Answer» On a given winter night, Himanshu has two options, either to use a single layer blanket or two layers of same blanket. Which option will keep him more warm? |
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| 1378. |
how the force developed between the charges |
| Answer» how the force developed between the charges | |
| 1379. |
A calorimeter contains 50 g of water at 50∘C. The temperature falls to 45∘C in 10 minutes. When the calorimeter contains 100 g of water at 50∘C, it takes 18 minutes for the temperature to reduce to 45∘C. The water equivalent of the calorimeter is (in g)[Answer up to two decimal places] |
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Answer» A calorimeter contains 50 g of water at 50∘C. The temperature falls to 45∘C in 10 minutes. When the calorimeter contains 100 g of water at 50∘C, it takes 18 minutes for the temperature to reduce to 45∘C. The water equivalent of the calorimeter is [Answer up to two decimal places] |
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| 1380. |
number of moles of kmno4 required to oxidise 1 mole of na2s2o3 |
| Answer» number of moles of kmno4 required to oxidise 1 mole of na2s2o3 | |
| 1381. |
It is given that the earth is a huge ocean of charges which is nuetral. When our body comes in contact with any charged object, the charges pass through our body into the earth. But when we have excess of electrons in our body, instead of sending then into the earth to make our body nuetral, why can't the earth send some electrons to our body to make our body nuetral (provided our body is a good conductor)? |
| Answer» It is given that the earth is a huge ocean of charges which is nuetral. When our body comes in contact with any charged object, the charges pass through our body into the earth. But when we have excess of electrons in our body, instead of sending then into the earth to make our body nuetral, why can't the earth send some electrons to our body to make our body nuetral (provided our body is a good conductor)? | |
| 1382. |
Two parallel is drawn in front of a mirror. The image of those lines will be ___ . |
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Answer» Two parallel is drawn in front of a mirror. The image of those lines will be |
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| 1383. |
Why is it easy to drag a mat over the floor when no weight is kept over it? |
| Answer» Why is it easy to drag a mat over the floor when no weight is kept over it? | |
| 1384. |
Two point charges repel each other with a force of 100N. One of the charge is increased by 10% and other is reduced by 10% .The new force of repulsion at the same distance would be A.) 100N B.) 121N C.) 99N D.) None of these |
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Answer» Two point charges repel each other with a force of 100N. One of the charge is increased by 10% and other is reduced by 10% .The new force of repulsion at the same distance would be A.) 100N B.) 121N C.) 99N D.) None of these |
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| 1385. |
To find the nature of charge on an object, will you use a charged electroscope or an uncharged one? |
| Answer» To find the nature of charge on an object, will you use a charged electroscope or an uncharged one? | |
| 1386. |
Army tanks are provided with caterpillar tracks.What is the reason for this? |
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Answer» Army tanks are provided with caterpillar tracks.What is the reason for this? |
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| 1387. |
Why will a sheet of paper fall slower than one that is crumpled into a ball? |
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Answer» Why will a sheet of paper fall slower than one that is crumpled into a ball? |
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| 1388. |
1. Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket donor bring a change in its state of motion? 2. A rocket has been fired upward bto launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad? |
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Answer» 1. Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket donor bring a change in its state of motion? 2. A rocket has been fired upward bto launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad? |
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| 1389. |
The distance between a compression and its next rarefaction is of a longitudinal wave is: (λ denotes wavelength) |
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Answer» The distance between a compression and its next rarefaction is of a longitudinal wave is: |
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| 1390. |
TOTAL ITERNAL REFLECTION THROUGH ISOCELES RIGHT ANGLED PRISM |
| Answer» TOTAL ITERNAL REFLECTION THROUGH ISOCELES RIGHT ANGLED PRISM | |
| 1391. |
Which is the nearest star after alpha centauri and what is its distance from earth? |
| Answer» Which is the nearest star after alpha centauri and what is its distance from earth? | |
| 1392. |
A beaker is filled with water to its brim. When a ball of mass 1 kg is immersed water displaced is found to be 1 N. Find the buoyant force experienced by the ball? |
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Answer» A beaker is filled with water to its brim. When a ball of mass 1 kg is immersed water displaced is found to be 1 N. Find the buoyant force experienced by the ball? |
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| 1393. |
N fundamental charges each of charge 'q' are to be distributed as two point charges separated by a fixed dis†an ce ,then the maximum to minimum force bears a ratio (N is even and greater than 2) |
| Answer» N fundamental charges each of charge 'q' are to be distributed as two point charges separated by a fixed dis†an ce ,then the maximum to minimum force bears a ratio (N is even and greater than 2) | |
| 1394. |
3.A copper wire of length l and radius r is nickel plated till its final radius R and length l.If the specific resistance of nickel and copper be Kn and Kc,then the conductance of the nickelled wire? |
| Answer» 3.A copper wire of length l and radius r is nickel plated till its final radius R and length l.If the specific resistance of nickel and copper be Kn and Kc,then the conductance of the nickelled wire? | |
| 1395. |
In 4sec ,9 g of ice melts (I)In 8sec , how many grams of ice melts (II)? |
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Answer» In 4sec ,9 g of ice melts (I) In 8sec , how many grams of ice melts (II)? |
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| 1396. |
law of motion |
| Answer» law of motion | |
| 1397. |
Question 18A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from top.(a) Plane, convex and concave(b) Convex, concave and plane(c) Concave, plane and convex(d) Convex, plane and concave |
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Answer» Question 18 A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from top. (a) Plane, convex and concave (b) Convex, concave and plane (c) Concave, plane and convex (d) Convex, plane and concave |
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| 1398. |
Why ice at 00C is more preferable than water at 00C to make your drinks cooler? |
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Answer» Why ice at 00C is more preferable than water at 00C to make your drinks cooler? |
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| 1399. |
In which of the following case(s) will the bulb glow? |
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Answer» In which of the following case(s) will the bulb glow? |
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| 1400. |
Question 01Which of the following cannot be charged easily by friction?(a) A plastic scale(b) A copper rod(c) An inflated balloon(d) A woollen cloth. |
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Answer» Question 01 |
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