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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.
| 2751. |
Road is not levelled on sharp bends.Why? |
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Answer» Road is not levelled on sharp bends.Why? |
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| 2752. |
Draw a ray diagram of multiple image formation of Kaleidoscope and Periscope |
| Answer» Draw a ray diagram of multiple image formation of Kaleidoscope and Periscope | |
| 2753. |
What will be the value of water if it is used in place of mercury in barometer |
| Answer» What will be the value of water if it is used in place of mercury in barometer | |
| 2754. |
The temperature coefficient of resis†an ce of a wire at 0 degree celcius is 0.00125 per degree celcius. At 25 degree its resis†an ce is 1 ohm. The resis†an ce of the wire will be 1.2 ohm at |
| Answer» The temperature coefficient of resis†an ce of a wire at 0 degree celcius is 0.00125 per degree celcius. At 25 degree its resis†an ce is 1 ohm. The resis†an ce of the wire will be 1.2 ohm at | |
| 2755. |
An AC current is given as i= (2 cos ot + 3 sin ot) A.The rms current is |
| Answer» An AC current is given as i= (2 cos ot + 3 sin ot) A.The rms current is | |
| 2756. |
What will you see if the above experiment is done using a coir rope? |
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Answer» What will you see if the above experiment is done using a coir rope? |
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| 2757. |
90. TWO CARS 500m apart from each other in opposite direction . If acceleration of Car A is 2m/s�. And Car B is 3m/s�. Find distance covered by car A before they cross each other. |
| Answer» 90. TWO CARS 500m apart from each other in opposite direction . If acceleration of Car A is 2m/s�. And Car B is 3m/s�. Find distance covered by car A before they cross each other. | |
| 2758. |
A person rubbed two glass rods using a silk cloth. Turns out that the glass rods started to move away from each other slightly when they were placed together. What could be the possible reason? |
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Answer» A person rubbed two glass rods using a silk cloth. Turns out that the glass rods started to move away from each other slightly when they were placed together. What could be the possible reason? |
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| 2759. |
Why does an electrician wear rubber gloves while fixing electrical switches? Explain in brief. |
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Answer» Why does an electrician wear rubber gloves while fixing electrical switches? Explain in brief. |
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| 2760. |
Question 1 (a)Fill in the blanks.Most liquids that conduct electricity are solutions of _____,______ and _____. |
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Answer» Question 1 (a) |
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| 2761. |
in a human pyramid in a circus , the entire weight of the balanced roup is supported by the legs of a performer wo is lying on his back. the combined mass of all the persons performing the act, and the tables,palques etc involved is 280kg . the mass of the performer lying on his back at the bottom of the pyramid is 60kg. each thigh bone of this performer has a lenght of 50cm and effevtive radius of 2 cm . determine the amount by which each thigh bone gets compressed under the extra load. |
| Answer» in a human pyramid in a circus , the entire weight of the balanced roup is supported by the legs of a performer wo is lying on his back. the combined mass of all the persons performing the act, and the tables,palques etc involved is 280kg . the mass of the performer lying on his back at the bottom of the pyramid is 60kg. each thigh bone of this performer has a lenght of 50cm and effevtive radius of 2 cm . determine the amount by which each thigh bone gets compressed under the extra load. | |
| 2762. |
How will you charge a ballpoint pen refill by the method of friction ? |
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Answer» How will you charge a ballpoint pen refill by the method of friction ? |
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| 2763. |
The given figure shows ice cubes whose relative density is less than 1. What will happen if the ice cubes are dropped in water? |
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Answer» The given figure shows ice cubes whose relative density is less than 1. What will happen if the ice cubes are dropped in water? |
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| 2764. |
Question 4Define average power. |
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Answer» Question 4 Define average power. |
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| 2765. |
The value of slope at support B (θB) for the continuous beam shown in the figure below is: |
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Answer» The value of slope at support B (θB) for the continuous beam shown in the figure below is: |
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| 2766. |
A drum brake is shown in the figure. The drum is rotating in an anticlockwise direction. The coefficient of friction between drum and shoe is 0.2. The dimensions shown in the figure are in mm. The braking torque (in Nm) for the brake shoe is 64 |
Answer» A drum brake is shown in the figure. The drum is rotating in an anticlockwise direction. The coefficient of friction between drum and shoe is 0.2. The dimensions shown in the figure are in mm. The braking torque (in Nm) for the brake shoe is 
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| 2767. |
22. A ball thrown up with a velocity of 40 m/s reaches a height of 40m.Find the work done by gravitational force and opposing resistive force |
| Answer» 22. A ball thrown up with a velocity of 40 m/s reaches a height of 40m.Find the work done by gravitational force and opposing resistive force | |
| 2768. |
State three factors which affect the rate of evaporation of a liquid. |
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Answer» State three factors which affect the rate of evaporation of a liquid. |
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| 2769. |
Find the current drawn from the battery and the potential difference between B and C. |
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Answer» Find the current drawn from the battery and the potential difference between B and C.
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| 2770. |
4g argon in a bulb at a temp of TK has a pressure P atm.When the bulb was placed in hot bath at a temperature 50^° C more than the first one, 0.8g of gas had to be removed to get original pressure.T is equal to? |
| Answer» 4g argon in a bulb at a temp of TK has a pressure P atm.When the bulb was placed in hot bath at a temperature 50^° C more than the first one, 0.8g of gas had to be removed to get original pressure.T is equal to? | |
| 2771. |
A 40 N force causes a 15 kg object to double it's speed in 3 s. If the object was travelling at 8 ms−1, find the distance travelled after the force was applied. |
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Answer» A 40 N force causes a 15 kg object to double it's speed in 3 s. If the object was travelling at 8 ms−1, find the distance travelled after the force was applied. |
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| 2772. |
State two uses of a concave mirror with a proper diagram. |
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Answer» State two uses of a concave mirror with a proper diagram. |
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| 2773. |
Which of the following does not have a streamlined shape? (a) aeroplane (b) boat (c) bird (d) bus |
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Answer» Which of the following does not have a streamlined shape? (a) aeroplane (b) boat (c) bird (d) bus |
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| 2774. |
A person pushes a block of mass 0.25 kg along a horizontal table with a force of magnitude 5N for a dis†an ce of 0.5m. The frictional force between block and table is 1N. The average power of pushing force is |
| Answer» A person pushes a block of mass 0.25 kg along a horizontal table with a force of magnitude 5N for a dis†an ce of 0.5m. The frictional force between block and table is 1N. The average power of pushing force is | |
| 2775. |
Do planets emit their own light? |
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Answer» Do planets emit their own light? |
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| 2776. |
Comment on the statement 'evaporation is a surface phenomenon'. |
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Answer» Comment on the statement 'evaporation is a surface phenomenon'. |
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| 2777. |
Given the area of a circle is 36 cm2. The area of the rectangle is 16th of the area of the circle. If the breadth of the rectangle is 1 cm, what is the length? |
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Answer» Given the area of a circle is 36 cm2. The area of the rectangle is 16th of the area of the circle. If the breadth of the rectangle is 1 cm, what is the length? |
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| 2778. |
How to derive the mirror formula |
| Answer» How to derive the mirror formula | |
| 2779. |
What is the direction of the electron current in a dry cell? |
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Answer» What is the direction of the electron current in a dry cell? |
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| 2780. |
Two bodies of equal mass are suspended from two separate massless spring of force construction k2 and (1 and 2. If their max velocity are equal then ratio of ampltude |
| Answer» Two bodies of equal mass are suspended from two separate massless spring of force construction k2 and (1 and 2. If their max velocity are equal then ratio of ampltude | |
| 2781. |
Name the force which increases when the two surfaces in contact are made more rough. |
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Answer» Name the force which increases when the two surfaces in contact are made more rough. |
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| 2782. |
The earthquake occured at Bhuj and Kashmir created a lot of damage to life and property. Based on the impact created, can you guess the approximate magnitude of earthquakes on Richter scale? |
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Answer» The earthquake occured at Bhuj and Kashmir created a lot of damage to life and property. Based on the impact created, can you guess the approximate magnitude of earthquakes on Richter scale? |
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| 2783. |
Sam's father and mother are astronauts. Last month they returned from a tour to the Moon. Sam's father told him that they had air filled helmets and they also had microphones, which they used for talking to each other. Why did they use microphones to talk even after they were close enough to hear the sound of each other? |
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Answer» Sam's father and mother are astronauts. Last month they returned from a tour to the Moon. Sam's father told him that they had air filled helmets and they also had microphones, which they used for talking to each other. Why did they use microphones to talk even after they were close enough to hear the sound of each other? |
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| 2784. |
Gravitational force is a |
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Answer» Gravitational force is a |
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| 2785. |
A spark is produced when two stones are rubbed against each other ?Why? |
| Answer» A spark is produced when two stones are rubbed against each other ?Why? | |
| 2786. |
Which of the following is/are contact force? |
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Answer» Which of the following is/are contact force? |
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| 2787. |
a charge Q is divided into two parts such that they experience maximum electrostatic repulsion when placed at a certain distance apart . Find the division |
| Answer» a charge Q is divided into two parts such that they experience maximum electrostatic repulsion when placed at a certain distance apart . Find the division | |
| 2788. |
what are super conductors? what is the difference between super conductors and semiconductors? |
| Answer» what are super conductors? what is the difference between super conductors and semiconductors? | |
| 2789. |
What is the circular opening in the middle of iris known as? |
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Answer» What is the circular opening in the middle of iris known as? |
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| 2790. |
A 10m long prestressing bed is used to cast beams of 2.3 m each. A schematic representation of the bed is given in the following figure. The continuous prestressing reinforced is pulled at the end 'Y' of the bed through a distance of 20 mm to introduce the required 'prestress' before the concrete is cast. After the concrete has hardened, the prestressing reinforcement is cut at points A,B,C,D and EAssume that the prestress is introduced without eccentricity, what is the loss in prestress on account of elastic deformation of concrete.Assume Es=200000N/mm2,Ec=20000N/mm2, Area of prestressing reinforcement is 500 mm2, size of beam = 200 mm (b) x 400 mm (h) |
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Answer» A 10m long prestressing bed is used to cast beams of 2.3 m each. A schematic representation of the bed is given in the following figure. The continuous prestressing reinforced is pulled at the end 'Y' of the bed through a distance of 20 mm to introduce the required 'prestress' before the concrete is cast. After the concrete has hardened, the prestressing reinforcement is cut at points A,B,C,D and E Assume that the prestress is introduced without eccentricity, what is the loss in prestress on account of elastic deformation of concrete.Assume Es=200000N/mm2,Ec=20000N/mm2, Area of prestressing reinforcement is 500 mm2, size of beam = 200 mm (b) x 400 mm (h)  |
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| 2791. |
What is equivalent resistance across the terminals of the battery if the diodes are ideal?? |
| Answer» What is equivalent resistance across the terminals of the battery if the diodes are ideal?? | |
| 2792. |
A loader applied 150 N of force to lift a stone and 1250 J of work was done by it. How far was the rock lifted during the application of force? |
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Answer» A loader applied 150 N of force to lift a stone and 1250 J of work was done by it. How far was the rock lifted during the application of force? |
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| 2793. |
If we have been told that A stone weighs 2.5kg......so here is 2.5kg the mass or weight. If it is weight then the potential energy should be equal to Weight*height...where height is 6m 2.5kg*6m 15kgm |
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Answer» If we have been told that A stone weighs 2.5kg......so here is 2.5kg the mass or weight. If it is weight then the potential energy should be equal to Weight*height...where height is 6m 2.5kg*6m 15kgm |
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| 2794. |
Question 9Give various examples to show that friction is both a friend and a foe. |
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Answer» Question 9 |
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| 2795. |
If the volume of a 3 x 3 Rubik's cube is 81 cm3, what is the length (in cm) of a side of each of the smaller cubes? 3 |
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Answer» If the volume of a 3 x 3 Rubik's cube is 81 cm3, what is the length (in cm) of a side of each of the smaller cubes?
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| 2796. |
fins a unit vector normal to the plane2x-2y+z=39 |
| Answer» fins a unit vector normal to the plane2x-2y+z=39 | |
| 2797. |
the force required to just move a body up the inclined plane is double the force required to just prevent the body from sloding |
| Answer» the force required to just move a body up the inclined plane is double the force required to just prevent the body from sloding | |
| 2798. |
In an arrangement of two blocks placed over a smooth surface ,upper block weighs 1 kg and the lower block weighs 100 kg . If the force of 10 Newton is applied on the lower block and the coefficient of friction between the two blocks is 0.5 , find the frictional force acting on 1 kg block : 1. 0.1N 2. 2N 3. 0.5N 4. 5N |
| Answer» In an arrangement of two blocks placed over a smooth surface ,upper block weighs 1 kg and the lower block weighs 100 kg . If the force of 10 Newton is applied on the lower block and the coefficient of friction between the two blocks is 0.5 , find the frictional force acting on 1 kg block : 1. 0.1N 2. 2N 3. 0.5N 4. 5N | |
| 2799. |
What is % ionization(α) of 0.04M HCl solution (K_a=10^{-4}) in non-aqueous medium? |
| Answer» What is % ionization(α) of 0.04M HCl solution (K_a=10^{-4}) in non-aqueous medium? | |
| 2800. |
Select which of the following should be followed to protect against lightning. |
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Answer» Select which of the following should be followed to protect against lightning. |
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