Saved Bookmarks
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.
| 9451. |
A car accelerates from rest to 100 ms−1 in ten seconds. If mass of the car is 50 kg, then the average power developed by the engine is: |
|
Answer» A car accelerates from rest to 100 ms−1 in ten seconds. If mass of the car is 50 kg, then the average power developed by the engine is: |
|
| 9452. |
According to Snell's law, the value of the constant(refractive index) depends on: |
|
Answer» According to Snell's law, the value of the constant(refractive index) depends on: |
|
| 9453. |
Why does a charged body attracts an uncharged body? |
| Answer» Why does a charged body attracts an uncharged body? | |
| 9454. |
Choose the correct statement(s). |
|
Answer» Choose the correct statement(s). |
|
| 9455. |
Column AColumn B(a)Camel(i)broad and deepfoundation(b)Truck(ii)broad feet(c)Knife(iii)six or eight tyres(d)High building(iv)sharp cutting edge(e)Thrust(v)atm(f)Moment of force(vi)N(g)Atmospheric(vii)N mPressure |
|
Answer» Column AColumn B(a)Camel(i)broad and deepfoundation(b)Truck(ii)broad feet(c)Knife(iii)six or eight tyres(d)High building(iv)sharp cutting edge(e)Thrust(v)atm(f)Moment of force(vi)N(g)Atmospheric(vii)N mPressure |
|
| 9456. |
Explain the construction of a gold leaf electroscope. |
|
Answer» Explain the construction of a gold leaf electroscope. |
|
| 9457. |
Which of the following describes oscillatory motion? |
|
Answer» Which of the following describes oscillatory motion? |
|
| 9458. |
How can a concave mirror be used to obtain a virtual image of an object ? Draw a diagram to illustrate your answer. |
|
Answer» How can a concave mirror be used to obtain a virtual image of an object ? Draw a diagram to illustrate your answer. |
|
| 9459. |
Derive the minimum distance of the obstacle from the source in order to hear a distinct echo. [3 MARKS] |
|
Answer» Derive the minimum distance of the obstacle from the source in order to hear a distinct echo. [3 MARKS] |
|
| 9460. |
Which mirror which always forms a virtual image? |
|
Answer» Which mirror which always forms a virtual image? |
|
| 9461. |
3 Resistors one of them having a resistance of 12Ω when connected in parallel together across a battery of 44v draws a current of 22A these resistors when connected in series across the same battery draws a current of 2A. Find the resistance value of the other 2 resistors? |
|
Answer» 3 Resistors one of them having a resistance of 12Ω when connected in parallel together across a battery of 44v draws a current of 22A these resistors when connected in series across the same battery draws a current of 2A. Find the resistance value of the other 2 resistors? |
|
| 9462. |
To obtain a real, inverted and highly enlarged image, choose the suitable type of mirror and the position of object in front of it. |
|
Answer» To obtain a real, inverted and highly enlarged image, choose the suitable type of mirror and the position of object in front of it. |
|
| 9463. |
For the given diagram, which factor can be explained in a better way? |
|
Answer» For the given diagram, which factor can be explained in a better way? |
|
| 9464. |
What is 2F called in simple words? |
| Answer» What is 2F called in simple words? | |
| 9465. |
Name the force which helps things to move and stop. |
|
Answer» Name the force which helps things to move and stop. |
|
| 9466. |
What are the Effects of Force ? |
|
Answer» What are the Effects of Force ? |
|
| 9467. |
In the figure given below, who is pulling whom? |
|
Answer» In the figure given below, who is pulling whom?
|
|
| 9468. |
Discribe how lightning occurs? |
|
Answer» Discribe how lightning occurs? |
|
| 9469. |
While standing inside the water up to the waist height, it is very difficult to keep our feet under control. Why? |
|
Answer» While standing inside the water up to the waist height, it is very difficult to keep our feet under control. Why? |
|
| 9470. |
The relationship between the focal length f and radius of curvature R for a spherical mirror is: |
|
Answer» The relationship between the focal length f and radius of curvature R for a spherical mirror is: |
|
| 9471. |
When electric current is passed through a bulb, the bulb gives light because of |
|
Answer» When electric current is passed through a bulb, the bulb gives light because of |
|
| 9472. |
Sometime, a crackling sound is heard while taking off sweater during winters. Explain. [2 MARKS] |
|
Answer» Sometime, a crackling sound is heard while taking off sweater during winters. Explain. [2 MARKS] |
|
| 9473. |
What keeps the particles of matter together? |
|
Answer» What keeps the particles of matter together? |
|
