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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.
| 2501. |
Which type of material must be used for the lightning rod? |
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Answer» Which type of material must be used for the lightning rod? |
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| 2502. |
A resistor of resistance value equal to 4 kilo ohm is placed in a circuit and a current of 3 A flows through it. What is the voltage accross the resisitor? |
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Answer» A resistor of resistance value equal to 4 kilo ohm is placed in a circuit and a current of 3 A flows through it. What is the voltage accross the resisitor? |
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| 2503. |
Question 4 (f)Asteroids are found between the orbits of __________ and _________. |
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Answer» Question 4 (f) Asteroids are found between the orbits of __________ and _________. |
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| 2504. |
Two bodies are in equilibrium when suspended inwater from the arm of a balance. The mass of onebody is 60 g and its density is 12 g cm3. If the massof the other body is 72 g, its density ing cm is |
| Answer» Two bodies are in equilibrium when suspended inwater from the arm of a balance. The mass of onebody is 60 g and its density is 12 g cm3. If the massof the other body is 72 g, its density ing cm is | |
| 2505. |
Define spherical mirror. |
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Answer» Define spherical mirror. |
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| 2506. |
poor absorbers and reflectors of heat |
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Answer» poor absorbers and reflectors of heat |
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| 2507. |
tan90=6sin[90+B]/3+6cos[90+B] find the valus of B |
| Answer» tan90=6sin[90+B]/3+6cos[90+B] find the valus of B | |
| 2508. |
Why is water not used as a barometric liquid? |
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Answer» Why is water not used as a barometric liquid? |
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| 2509. |
Many liquids that conduct electricity are solutions of _________. |
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Answer» Many liquids that conduct electricity are solutions of _________. |
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| 2510. |
Why electric flux =E. ds?Is there any Mathematical derivation for this to know why electric flux! =E. is? |
| Answer» Why electric flux =E. ds?Is there any Mathematical derivation for this to know why electric flux! =E. is? | |
| 2511. |
107. Relative permittivity and permeability of a material are r and μr respectively which of the following values of these quantities are allowed for a diamagnetic substance 1)r=1.5,μr=.5 2)r=1.5,μr=1.5 3)r=.5,μr=.5 4)r=.5,μr=1.5 |
| Answer» 107. Relative permittivity and permeability of a material are r and μr respectively which of the following values of these quantities are allowed for a diamagnetic substance 1)r=1.5,μr=.5 2)r=1.5,μr=1.5 3)r=.5,μr=.5 4)r=.5,μr=1.5 | |
| 2512. |
Why are nails made very thin at one end and somewhat thick at the other end ? |
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Answer» Why are nails made very thin at one end and somewhat thick at the other end ? |
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| 2513. |
An object moves with a uniform velocity when the net force acting on it is___ . |
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Answer» An object moves with a uniform velocity when the net force acting on it is |
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| 2514. |
Two cars A and B with a mass of 5 kg and 10 kg and initial velocities of 10 ms−1 and 5 ms−1 are racing. Which car exerts more power before coming to rest? (Time taken for both cars to complete the race is 10 seconds): |
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Answer» Two cars A and B with a mass of 5 kg and 10 kg and initial velocities of 10 ms−1 and 5 ms−1 are racing. Which car exerts more power before coming to rest? (Time taken for both cars to complete the race is 10 seconds): |
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| 2515. |
What is the matter? What is it composed of? |
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Answer» What is the matter? What is it composed of? |
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| 2516. |
Compare the sound of a baby with the sound of a man. Even if both have the same loudness, how they differ. Explain the factor which causes the difference. |
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Answer» Compare the sound of a baby with the sound of a man. Even if both have the same loudness, how they differ. Explain the factor which causes the difference. |
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| 2517. |
Two cuboids are placed on the table. If figure (A) exerts 3 Pa of pressure, then find the pressure exerted by figure (B) |
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Answer» Two cuboids are placed on the table. If figure (A) exerts 3 Pa of pressure, then find the pressure exerted by figure (B)
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| 2518. |
ntCalculate the Ksp of sparingly soluble salt XY2(s) at 25 degree celcius, if the vapour pressure of its saturated solution in water is 31.78 mm of Hg and vapour pressure of pure water is 31.82 mm of Hg?n |
| Answer» ntCalculate the Ksp of sparingly soluble salt XY2(s) at 25 degree celcius, if the vapour pressure of its saturated solution in water is 31.78 mm of Hg and vapour pressure of pure water is 31.82 mm of Hg?n | |
| 2519. |
Two fixed charges A and B of 5 microcoulomb each are separated by a dis†an ce of 6m. C is the midpoint of the line joining A and B. A charge Q of -5 microcoulomb is shot perpendicular to the line joining A and B through C with a kinetic energy of 0.06 joule. the charge Q comes to rest at a point D. find the dis†an ce CD |
| Answer» Two fixed charges A and B of 5 microcoulomb each are separated by a dis†an ce of 6m. C is the midpoint of the line joining A and B. A charge Q of -5 microcoulomb is shot perpendicular to the line joining A and B through C with a kinetic energy of 0.06 joule. the charge Q comes to rest at a point D. find the dis†an ce CD | |
| 2520. |
9. What will be the partial pressure of He and O2 respectively, if 200ml of He at 0.66atm and 400ml of O2 at 0.52atm pressure are mixed in 400ml vessel at 20 degree Celsius? |
| Answer» 9. What will be the partial pressure of He and O2 respectively, if 200ml of He at 0.66atm and 400ml of O2 at 0.52atm pressure are mixed in 400ml vessel at 20 degree Celsius? | |
| 2521. |
Where are the poles of a disc magnet located? |
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Answer» Where are the poles of a disc magnet located? |
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| 2522. |
Which of the following options is correct? |
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Answer» Which of the following options is correct? |
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| 2523. |
lamda 1 and lamda 2 are susceptibility of a paramagnetic material at temperature t1 and t2 respectively then |
| Answer» lamda 1 and lamda 2 are susceptibility of a paramagnetic material at temperature t1 and t2 respectively then | |
| 2524. |
If one coulomb is equal to x e.m.u. , then x is? |
| Answer» If one coulomb is equal to x e.m.u. , then x is? | |
| 2525. |
Why is the word ambulance printed laterally inverted on an ambulance van? |
Answer» Why is the word ambulance printed laterally inverted on an ambulance van? |
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| 2526. |
a chain of mass M and length L is placed on table,such that only a part of it is on table and remaining part hangs in air.If the coefficient of friction between chain and table is u , find the maximum length of chain that can hang in air without sliding |
| Answer» a chain of mass M and length L is placed on table,such that only a part of it is on table and remaining part hangs in air.If the coefficient of friction between chain and table is u , find the maximum length of chain that can hang in air without sliding | |
| 2527. |
What is diffusion? Explain with suitable examples. |
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Answer» What is diffusion? Explain with suitable examples. |
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| 2528. |
Thrust is the force acting___ on a surface. |
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Answer» Thrust is the force acting |
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| 2529. |
A block of silver displaces 200 ml of water in a measuring cylinder. If the density of silver is 10300 kg/m3, find the mass of block. |
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Answer» A block of silver displaces 200 ml of water in a measuring cylinder. If the density of silver is 10300 kg/m3, find the mass of block. |
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| 2530. |
If 1 kg of air(g=1.4) is heated adiabatically from zero degree celsius to 10 degree Celsius. then increase in its internal energy will be- (specific heat at constant volume = 0.172 Cal/gm.C ) |
| Answer» If 1 kg of air(g=1.4) is heated adiabatically from zero degree celsius to 10 degree Celsius. then increase in its internal energy will be- (specific heat at constant volume = 0.172 Cal/gm.C ) | |
| 2531. |
an ideal diode is connected to 220v (rms) AC in series with a capaciter. the voltage across the capacito |
| Answer» an ideal diode is connected to 220v (rms) AC in series with a capaciter. the voltage across the capacito | |
| 2532. |
What are the reasons for lowering Groundwater in large cities? |
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Answer» What are the reasons for lowering Groundwater in large cities? |
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| 2533. |
Explain electrical permittivity in simple words (or) in easy manner? |
| Answer» Explain electrical permittivity in simple words (or) in easy manner? | |
| 2534. |
two blocks A and B with masses 60 kg and 50 kg respectively are connected through an ideal string and placed on a rough surface with coefficient of friction 0.2. horizontal forces are appliedbon the blocks(120N on b and160N on A). friction force acting on b will b |
| Answer» two blocks A and B with masses 60 kg and 50 kg respectively are connected through an ideal string and placed on a rough surface with coefficient of friction 0.2. horizontal forces are appliedbon the blocks(120N on b and160N on A). friction force acting on b will b | |
| 2535. |
A block of iron sinks in fluid A but floats in another fluid B, this is because: |
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Answer» A block of iron sinks in fluid A but floats in another fluid B, this is because: |
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| 2536. |
Question 13A stone is dropped from the top of a tower 500 m high into a pond of water at the base of the tower. When is the splash heard at the top? Given, g=10ms−2 and speed of sound = 340ms−1. |
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Answer» Question 13 A stone is dropped from the top of a tower 500 m high into a pond of water at the base of the tower. When is the splash heard at the top? Given, g=10ms−2 and speed of sound = 340ms−1. |
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| 2537. |
Three students measured the length of a corridor and reported their measurements. The values of their measurements were different.What could be the reason for the difference in their measurements? (Mention any three) |
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Answer» Three students measured the length of a corridor and reported their measurements. The values of their measurements were different. What could be the reason for the difference in their measurements? (Mention any three) |
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| 2538. |
A piece of brass (alloy of zinc and copper) weighs 12.9 gm in air. When completely immersed in water it weighs 11.3 g. What is mass of copper contained in it. (specific gravities of copper and zinc are 8.9 and 7.1 respectively) :- (1) 10.5 g (2) 5.6 gm (3) 7.6 g (4) 15.0 gm |
| Answer» A piece of brass (alloy of zinc and copper) weighs 12.9 gm in air. When completely immersed in water it weighs 11.3 g. What is mass of copper contained in it. (specific gravities of copper and zinc are 8.9 and 7.1 respectively) :- (1) 10.5 g (2) 5.6 gm (3) 7.6 g (4) 15.0 gm | |
| 2539. |
In musical instruments like flute, the pitch of the sound changes by ____. |
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Answer» In musical instruments like flute, the pitch of the sound changes by ____. |
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| 2540. |
101.Plank constant (h), speed of light in vacuum (c) and newton gravitational constant (g) are three fundamental constant. Which of the following combination of these has the dimension of length? 1)under root hg/c3/2 2)under root hg/c5/2 |
| Answer» 101.Plank constant (h), speed of light in vacuum (c) and newton gravitational constant (g) are three fundamental constant. Which of the following combination of these has the dimension of length? 1)under root hg/c3/2 2)under root hg/c5/2 | |
| 2541. |
20. Explain the graph of spring force and exrtensiona and expression and explain that tan tita = -k |
| Answer» 20. Explain the graph of spring force and exrtensiona and expression and explain that tan tita = -k | |
| 2542. |
What is the name of passage in the outer ear which carries sound waves to the eardrum? |
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Answer» What is the name of passage in the outer ear which carries sound waves to the eardrum? |
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| 2543. |
When two boxes A and B are of same weight but surface areas in contact are in the ratio 2:1, are pulled over a rough surface with the same force, then the friction experienced by the boxes are in the ratio: |
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Answer» When two boxes A and B are of same weight but surface areas in contact are in the ratio 2:1, are pulled over a rough surface with the same force, then the friction experienced by the boxes are in the ratio: |
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| 2544. |
Question 129(iii)Astronomy The table shows the mass of the planets, the Sun and the Moon in our solar system.Which planet has about the same mass as Earth? |
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Answer» Question 129(iii) Astronomy The table shows the mass of the planets, the Sun and the Moon in our solar system. |
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| 2545. |
Give reasons: Refractive index of a medium with respect to air can never be less than 1 |
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Answer» Give reasons: Refractive index of a medium with respect to air can never be less than 1 |
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| 2546. |
When does a comet become visible to us? |
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Answer» When does a comet become visible to us? |
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| 2547. |
2.If a body experiences a force of 150 newton and has mass of 20kg and is moving in the positive 'x' direction wih initial.speed of 8m/s and takes t time to return to its original position if the force is retarding . Find the point 'x' on the x-axis where the velocity of the body |
| Answer» 2.If a body experiences a force of 150 newton and has mass of 20kg and is moving in the positive 'x' direction wih initial.speed of 8m/s and takes t time to return to its original position if the force is retarding . Find the point 'x' on the x-axis where the velocity of the body | |
| 2548. |
The unit of Velocity Ratio is |
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Answer» The unit of Velocity Ratio is |
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| 2549. |
The following common words are used in more than one sense.panelstudiobrushessencematerial Examine the following sets of sentences to find out what the words, ‘panel’ and ‘essence’ mean in different contexts.1. (i) The masks from Bawa village in Mali look like long panels of decorated wood.(ii) Judge H. Hobart Grooms told the jury panel he had heard the reports.(iii)The panel is laying the groundwork for an international treaty.(iv)The glass panels of the window were broken.(v) Through the many round tables, workshops and panel discussions, a consensus was reached.(vi)The sink in the hinged panel above the bunk drains into the head. 2. (i) Their repetitive structure must have taught the people around the great composer the essence of music.(ii) Part of the answer is in the proposition; but the essence is in the meaning.(iii)The implications of these schools of thought are of practical essence for the teacher.(iv) They had added vanilla essence to the pudding. |
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Answer» The following common words are used in more than one sense.
Examine the following sets of sentences to find out what the words, ‘panel’ and ‘essence’ mean in different contexts. 1. (i) The masks from Bawa village in Mali look like long panels of decorated wood. (ii) Judge H. Hobart Grooms told the jury panel he had heard the reports. (iii)The panel is laying the groundwork for an international treaty. (iv)The glass panels of the window were broken. (v) Through the many round tables, workshops and panel discussions, a consensus was reached. (vi)The sink in the hinged panel above the bunk drains into the head.
2. (i) Their repetitive structure must have taught the people around the great composer the essence of music. (ii) Part of the answer is in the proposition; but the essence is in the meaning. (iii)The implications of these schools of thought are of practical essence for the teacher. (iv) They had added vanilla essence to the pudding. |
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| 2550. |
In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 Mpa, 350oC and exists at a pressure of 15 kPa. Then it enters the condenser and exists as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is 90%. The thermodynamic states of water and steam are given in the table. h is specific enthalpy, s is specific entropy and v the specific volume; subscript f and g denote saturated liquid state and saturated vapour state. Heat supplied (kJkg−1) to the cycle is |
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Answer» In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 Mpa, 350oC and exists at a pressure of 15 kPa. Then it enters the condenser and exists as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is 90%. The thermodynamic states of water and steam are given in the table. |
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