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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.
| 9351. |
Can i get sample question papera for sa1 exam of physics cbse |
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Answer» Then please send it or provide a link related to it. Yes |
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| 9352. |
A force (i and j) act on a body displace 4m along x-axis.find out angle ø |
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| 9353. |
Why the collision in one dimension is called head on collision |
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| 9354. |
Tomorrow my test but I am not completely prepare for test??? |
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| 9355. |
Prove the newtons 2 law of motion is the real law of motion |
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Answer» from Newton 2 law of nation we can derive the 1 and 3rd law of motion Both laws 1st And 3rd Contained in the second law of motionA/C to second law of motionF=maIf F=0 a=0M Is Not equal to 0 |
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| 9356. |
How can I impress my girlfriend |
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Answer» Be serious for studies....science stream is not a joke bahi all are student here. it\'s better you should ask to an experience person ?? It written by mistake By phyics |
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| 9357. |
physical world questions |
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| 9358. |
What is value of e when collision is plastic |
| Answer» do u mean pure elastic collisions than it is equal to velocity of separation. | |
| 9359. |
concept of momentum? |
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| 9360. |
How to get the details of practical |
| Answer» 1.two experimets -------- 8*2 =16 marks. 2.practical record (lab manual + activity file) ------- 6 marks. 3. Project file ----------- 3 marks. 4. Viva voice ----------- 5 marks. Total --------- 30 marks. | |
| 9361. |
Friction is a necessary evil |
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Answer» Without friction the body which is in motion is always be in motion Yes friction is a necessary evil bcoz without friction we can\'t walk on any surface or if we try to apply breaks without friction the car would not stop |
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| 9362. |
Write the derivation of elastic collision in 1 dimension |
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| 9363. |
Elastic collision in one dimensional theorem |
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| 9364. |
Topics included in unit2 kinematics |
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| 9365. |
Give two example physical quantity having change but not dimension |
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Answer» Work or Energy Kinetic energy and potential energy have same dimension but different quantity It doesnt have unit too but i said it should have unit Strain Having unit but not dimension |
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| 9366. |
What is the condition for 2 vectors to be collinear? |
| Answer» Two vectors are collinear, if any of these conditions done:Condition of vectors collinearity 1. Two vectors a and b are collinear if there exists a number n such thata = n · bCondition of vectors collinearity 2. Two vectors are collinear if relations of their coordinates are equal.N.B. Condition 2 is not valid if one of the components of the vector is zero.Condition of vectors collinearity 3. Two vectors are collinear if their cross product is equal to the zero vector.N.B. Condition 3 applies only to three-dimensional (spatial) problems. | |
| 9367. |
What\'s is centripetal acceleration |
| Answer» The......... | |
| 9368. |
Name two physical quantities having dimensional formula ml2t2 |
| Answer» Work ,energy | |
| 9369. |
What is motion? |
| Answer» when the body is moving with respect to other body then it is reffered to be in motion | |
| 9370. |
What is inverse law |
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| 9371. |
Give reason one should take short steps rather than long steps when walking on ice ? |
| Answer» as ice is frictionless | |
| 9372. |
Waters ph value |
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Answer» 7 which is neutral. 6 |
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| 9373. |
What is rest , motion |
| Answer» When a body does not change its position with time , the body is said to be at rest. When a body change its position with time , the body is said to be in motion | |
| 9374. |
1 joule |
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| 9375. |
Convert1J/second into mks system |
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| 9376. |
Examples of positive and negative work done with explanation |
| Answer» Work done by frictional force is negativeWork done by gravitational force on freely falling body is positive | |
| 9377. |
Why do the errors are additive in nature |
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| 9378. |
LIMITING FRICTION? |
| Answer» The maximum force of static friction which comes into play when a body just start moving over the surface of another body is called limiting friction. | |
| 9379. |
Find the angle between two vector pand q if the resultant ofthe vectors isgiven by R^2= P^2 + Q^2 |
| Answer» 90 degree .The will form a right angle trianle.Pathagoras theorem | |
| 9380. |
Find the value of 60J per min on a system that has 100g ,100cm and 1min as the base units |
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| 9381. |
How to download all the pages of chapters at once |
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| 9382. |
Is friction depends upon surface area?? |
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Answer» No,........ It depends upon nature of surface No |
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| 9383. |
What is the vector law of parallelogram |
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Answer» Vectors joined from tale to tale Its parllelogram vector law:when two vectors from head to tail joined they make triangle by resultant vector when vertically and horizontally extended it make a parllelogram. |
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| 9384. |
Why in interia of diretion changes with direction oppositely |
| Answer» Eg when a bus takes sharp turn person sitting in it experiences a force acting by itelf that is inertia of direction.the inability of person to change its dirction is resolved by inertia of direction happening oppositely | |
| 9385. |
What is calometri???? |
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| 9386. |
law of inertia |
| Answer» State that every thing is stay in own position untill some external applied on it | |
| 9387. |
Rocket propulsion |
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| 9388. |
Prove centripetal accelaration? |
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| 9389. |
What is impulse- momentum theorm |
| Answer» I= f×t=p2-p1 | |
| 9390. |
\xa0In derivations of horizontal and vertical projection of projectile. why we take g as -g?? |
| Answer» We know that if throw a ball upward then g should be negative..... Similarly in case of vertical and horizontal projection we always see the initial g which is negative. But for horizontal case, g along x-axis=o... | |
| 9391. |
What all topics are important in physics?? |
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| 9392. |
Obtain the expression of conservation of linear momentum from newton\'s third law of motion |
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| 9393. |
prove the escape velocity from the surface of earth is 11.2km/s |
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| 9394. |
Numericals on cross product and dot product |
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| 9395. |
Calculate the impules necessary to stop a 1500kg car travelling at 90km/h |
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| 9396. |
What is nuclear force. |
| Answer» The force that binds together proton and neutrons in side the nucleus is called nuclear force. | |
| 9397. |
Define instantaneous power .express it as the scalar products of force and velocity vector. |
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| 9398. |
How does cyclone occurs |
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| 9399. |
What is electromaganetic force |
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Answer» A type of interaction which occurs between electrically charged particles The magnetic force exerted when a wire is wrapped around a pice of nail and connected to the battery. |
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| 9400. |
Magnitude of 2i + 3j+ 3K |
| Answer» √22 | |