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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.
| 7401. |
While using meter bridge it is advised to obtain null point in the middle wire. Why ? |
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| 7402. |
Is stress a vector quantity |
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Answer» No because it is nothing other than presser No |
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| 7403. |
Define Ideal gas equation |
| Answer» When n= 1 , for an ideal gas the product of it\'s pressure and volume is equal to the product of it\'s no. Of moles ,universal gas contant(R) and Temperature | |
| 7404. |
can u please explain the gravitational law of superposition |
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| 7405. |
Expression for freely falling body |
| Answer» The expression for freely falling body under the influence of gravity is ^2gh | |
| 7406. |
Why temp less than absolute zero is not possible |
| Answer» Because volume below this temp. will be negative which is not possible | |
| 7407. |
Terminal velocity of sphere falling through a viscous force |
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| 7408. |
Define deforming force |
| Answer» Force that produces change in the shape of body | |
| 7409. |
How to determine the function of time represent periodic and non periodic |
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| 7410. |
Is rate of cooling the same thing as the rate of loss of heat ? |
| Answer» No they are quite different from each other. | |
| 7411. |
Drive the kinetic energy of rotation motion |
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| 7412. |
Newton\'slaw |
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| 7413. |
Deduce the relation between g & G. |
| Answer» Relation between g and G g=Gm/r2 | |
| 7414. |
Why a coolie does no work when he moves on a level road while carrying a box on his head |
| Answer» work=force × displacement(in the direction of force).And bcoz (in this case) no component of force is in the direction of displacement; therefore no work is done. | |
| 7415. |
What is critical velocity?? |
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| 7416. |
What is vanturimeter |
| Answer» It is an application based on Bernoulli\'s principle. | |
| 7417. |
Why things fall on earth |
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Answer» Singh Saab upar we chize niche aati haiPta hai newton ne bohoot pehle hi bta diya tha!!!!!!!!!!!!??????? Due to graitational force????????? Due to the gravitational force Due to gravity |
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| 7418. |
Gravitational potential energy |
| Answer» When a body at that point of energy of field it gravitational amount of bringing body at infinity\' that point without acceleration | |
| 7419. |
Derivation of time period of simple pendulum |
| Answer» T is equal to root of gravity upon length of pendulam | |
| 7420. |
What is stress and strain |
| Answer» Stress is the restoring force required by per unit area.Stress=force/areaStrain is the ratio of the change in length to the original length.Strain=∆L/L | |
| 7421. |
What do you mean by parking Orbit?( answer according to gravitation chapter CBSE class 11) |
| Answer» A parking orbit is temporary orbit used during the launch of a satellite or other space probe. | |
| 7422. |
Why Earth atmosphere does not have light gases like Hydrogen and helium? |
| Answer» They escape | |
| 7423. |
A satellite revolving around Earth loses height how will its time period be changed? |
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| 7424. |
Flud |
| Answer» The property of a fluid those liquid which can flow it is called flow | |
| 7425. |
What is hass theorm |
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| 7426. |
Define keplar three law |
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Answer» Square of time period is equal to cube of semimeasure axis Square of time period is directlyproportional to cube of major axis |
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| 7427. |
a body is going from earth to moon How does it weight change as it go from earth to moon |
| Answer» Gravitational force on earth is 9.8m/s^2 Whereas,Gravitational force on moon is 1.622m/s^2 hence on moon the weight will be relatively less | |
| 7428. |
How you can say that rest mass of photon is zero.give proof? |
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| 7429. |
Tea gets cooled when sugar is added to it why? |
| Answer» When we add. Sugar to the tea then we need to stir , while stirring the hot air gets the passage to move , thus if hot air had leave the cup then tea gets cooled | |
| 7430. |
Can mass of any object be zero? |
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Answer» Mass could be never be 0. But weight can be 0 No Rest mass of a photon is zero No No because everything is made up of matter and hence having mass. |
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| 7431. |
Define Pascal law and derivation |
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| 7432. |
When youngs modulus of a body is zero |
| Answer» When material breaks in small pieces by little force | |
| 7433. |
Construction of calorimeter |
| Answer» Look into the book... ? | |
| 7434. |
The product of moment of inertia and angular momentum is equal to |
| Answer» LAngular momentum | |
| 7435. |
Dulong and petit law |
| Answer» Dulong-Petit law states that the heat capacity of metallic elements is approximately 25 degree Celsius. | |
| 7436. |
Is tension a force. |
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Answer» Yes this is the force on rope, etc. yes Yes |
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| 7437. |
All notes on properties of bulk matter???? |
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| 7438. |
An car moving 100 m/s some time the regarding car mass 20 kG findingthe change in the K.E. |
| Answer» 100000 | |
| 7439. |
Define bernoulli\'s theorem |
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Answer» Bernoulli\'s theorem state that the sum of pressure energy,kinetic energy and potential energy per unit volume is constant. Bernoulli state that the sum of pressure energy ,potential energy ,kinetic energy equal to constant |
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| 7440. |
How to measure tension of a string |
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| 7441. |
Explain drop and bubbles in mechanical properties of fluids |
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| 7442. |
What is elastic potential energy? |
| Answer» It is a potential energy stored as a result of deformation of an elastic object such that the stretching of a spring. It is equal to the work done to stretch the spring, which depends upon the spring constant K as well as the distance stretched. | |
| 7443. |
Prove that by which speed we thrown the particular equal to the velocity by which hits the ground. |
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| 7444. |
A body is swinging in sitting position .How will period of swing be changed if He stand up |
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| 7445. |
Relation among 1atm, 1torr, and 1bar |
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| 7446. |
Define mean free path |
| Answer» The mean free path is the average distance traveled by a moving particle (such as an atom, a molecule, a photon) between successive impacts (collisions), which modify its direction or energy or other particle properties. | |
| 7447. |
What is parking orbit |
| Answer» A parking orbit is a temporary orbit used during the launch of a satellite or other space probe. A launch vehicle boosts into the parking orbit, then coasts for a while, then fires again to enter the final desired trajectory. Hope this answer is helpful ?? | |
| 7448. |
Differencw between speed n velocity |
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| 7449. |
How friction is directly proportional to normal reaction |
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| 7450. |
Log (21.3×49.6) |
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