InterviewSolution
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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.
| 1751. |
Write short note on natural convection. |
| Answer» Write short note on natural convection. | |
| 1752. |
45. When an electron jumps from 2nd orbit to 4th orbit its distance from nucleus increases by 2.116 angstrong. The atom or ion should be? |
| Answer» 45. When an electron jumps from 2nd orbit to 4th orbit its distance from nucleus increases by 2.116 angstrong. The atom or ion should be? | |
| 1753. |
Question 34During summer, if you go near the lake, you feel relief from the heat, why? |
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Answer» Question 34 |
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| 1754. |
Who discovered light? explain how? |
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Answer» Who discovered light? explain how? |
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| 1755. |
22. What is solid |
| Answer» 22. What is solid | |
| 1756. |
What kind of image is formed when an object is placed in front of a plane mirror? |
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Answer» What kind of image is formed when an object is placed in front of a plane mirror? |
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| 1757. |
Question 22 (v)Fill in the blanks(v) A plastic used for making crockery is ___ . |
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Answer» Question 22 (v) Fill in the blanks (v) A plastic used for making crockery is |
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| 1758. |
In an electric circuit the direction of current ___. |
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Answer» In an electric circuit the direction of current |
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| 1759. |
21.Two cars are moving in the same direction with the same speed 30 km/hr. They are separated by a distance of 5 km, the speed of a car moving in the opposite direction if it meets these two cars at an interval of 4 minutes, will be? |
| Answer» 21.Two cars are moving in the same direction with the same speed 30 km/hr. They are separated by a distance of 5 km, the speed of a car moving in the opposite direction if it meets these two cars at an interval of 4 minutes, will be? | |
| 1760. |
Ayanna has set up an electric circuit using some connecting copper wires, a battery, a switch and a bulb that she has taken from a torch light. But after connecting the equipment, the bulb is not glowing. What can be the reasons for this? |
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Answer» Ayanna has set up an electric circuit using some connecting copper wires, a battery, a switch and a bulb that she has taken from a torch light. But after connecting the equipment, the bulb is not glowing. What can be the reasons for this? |
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| 1761. |
35 the total equilibrium pressure is 1atm and degree of dissociation is 0.2 COCl2[g] ------- CO[g] + Cl2 now the same equilibrium is eatablished at same temperature on presence of N2 gas at a partial pressure of 0.4atm and total pressure of 1atm. the new alpha is 0.2 0.2 0 |
| Answer» 35 the total equilibrium pressure is 1atm and degree of dissociation is 0.2 COCl2[g] ------- CO[g] + Cl2 now the same equilibrium is eatablished at same temperature on presence of N2 gas at a partial pressure of 0.4atm and total pressure of 1atm. the new alpha is <0.2 >0.2 0.2 0 | |
| 1762. |
What is the type of the underlined preposition? The bullet went through the Kevlar coat. |
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Answer» What is the type of the underlined preposition? The bullet went through the Kevlar coat. |
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| 1763. |
What are the properties of :- (a) A concave mirror (b) A convex mirror (c) A plane mirror |
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Answer» What are the properties of :- (a) A concave mirror (b) A convex mirror (c) A plane mirror |
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| 1764. |
Is kneading of water and flour into dough a chemical change or physical change? |
| Answer» Is kneading of water and flour into dough a chemical change or physical change? | |
| 1765. |
Question 3The device used for producing electric current is called a(a) generator(b) galvanometer(c) ammeter(d) motor |
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Answer» Question 3 The device used for producing electric current is called a (a) generator (b) galvanometer (c) ammeter (d) motor |
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| 1766. |
Question 2Boojho and Paheli performed experiments taking similar bulbs and cells but two different solutions A and B as shown in Fig.They found that the bulb in the setup A glows more brightly as compared to that of the setup B. You would conclude that(a) Higher current is flowing through the circuit in setup A.(b) Higher current is flowing through the circuit in setup B.(c) Equal current is flowing through both the circuits.(d) The current flowing through the circuits in the two setups cannot be compared in this manner. |
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Answer» Question 2 |
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| 1767. |
What do you mean by frictional force? |
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Answer» What do you mean by frictional force? |
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| 1768. |
Area where light is blocked by an opaque object is called ____ . |
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Answer» Area where light is blocked by an opaque object is called ____ . |
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| 1769. |
The amplitudeof a particle in SHM is 5 cm and its time period is π. At a displacement of 3cm from its mean position the velocity will be |
| Answer» The amplitudeof a particle in SHM is 5 cm and its time period is π. At a displacement of 3cm from its mean position the velocity will be | |
| 1770. |
When a container's metal lid is stuck, we put it in hot water for a while and then it becomes easier to open it. Why is it so? |
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Answer» When a container's metal lid is stuck, we put it in hot water for a while and then it becomes easier to open it. Why is it so? |
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| 1771. |
Give three points of differences between real and virtual images? |
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Answer» Give three points of differences between real and virtual images? |
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| 1772. |
A charge Q is divided into 2 parts such that they experience maximum electrostatic repulsion when placed at a certain distance. Find division. |
| Answer» A charge Q is divided into 2 parts such that they experience maximum electrostatic repulsion when placed at a certain distance. Find division. | |
| 1773. |
What is relative humidity? Explain in simple words |
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Answer» What is relative humidity? Explain in simple words |
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| 1774. |
Two plane mirrors are placedplaced parallel to each other at a distance L apart . A point object O is placed betwen them , at a distance L/3 from one mirror .both mirrors form multiple images the distance between two images cannot be A. 3L/2 B.2L/3 C.2L D.none |
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Answer» Two plane mirrors are placedplaced parallel to each other at a distance L apart . A point object O is placed betwen them , at a distance L/3 from one mirror .both mirrors form multiple images the distance between two images cannot be A. 3L/2 B.2L/3 C.2L D.none |
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| 1775. |
Question 12If the perpendicular distance of a point p from the x-axis is 5 units and the foot of the perpendicular lies on the negative direction of x-axis then the point P hasA) x-coordinate = - 5B) y-coordinate = 5 onlyC) y-coordinate = -5 onlyD) y-coordinate = 5 or -5 |
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Answer» Question 12 If the perpendicular distance of a point p from the x-axis is 5 units and the foot of the perpendicular lies on the negative direction of x-axis then the point P has A) x-coordinate = - 5 B) y-coordinate = 5 only C) y-coordinate = -5 only D) y-coordinate = 5 or -5 |
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| 1776. |
A material which allows heat to easily pass through it is termed as ______________. |
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Answer» A material which allows heat to easily pass through it is termed as ______________. |
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| 1777. |
What will happen if the guy in our example, who picks up balls from below and puts it on top of the C-shaped tube, stops doing his job? |
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Answer» What will happen if the guy in our example, who picks up balls from below and puts it on top of the C-shaped tube, stops doing his job? |
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| 1778. |
On heating water, bubbles being formed at the bottomof the vessel detach and rise. Take the bubbles to bespheres of radius R and making a circular contact ofradius r with the bottom of the vessel. If r |
| Answer» On heating water, bubbles being formed at the bottomof the vessel detach and rise. Take the bubbles to bespheres of radius R and making a circular contact ofradius r with the bottom of the vessel. If r << R and thesurface tension of water is T, the value of r just beforebubbles detach is (density of water is (pR22, pog6TR23T | |
| 1779. |
22. A particle is moving along a circular path of radius 5 mwith a uniform speed 5 ms -1. What will be the average acceleration when the particle completes halfrevolution?(a) Zero(b) 10 ms-2(c)10π ms-2(d)10/π ms-2 |
| Answer» 22. A particle is moving along a circular path of radius 5 mwith a uniform speed 5 ms -1. What will be the average acceleration when the particle completes halfrevolution?(a) Zero(b) 10 ms-2(c)10π ms-2(d)10/π ms-2 | |
| 1780. |
When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain. [2 MARKS] |
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Answer» When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain. [2 MARKS] |
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| 1781. |
Two diagonally opposite corners of a square made of a four thin rods of same material, same dimensions are at temperature 40 C and 10 C. If only heat conduction takes place, then the temperature difference between other two corners will be?? |
| Answer» Two diagonally opposite corners of a square made of a four thin rods of same material, same dimensions are at temperature 40 C and 10 C. If only heat conduction takes place, then the temperature difference between other two corners will be?? | |
| 1782. |
Which of these does not require a medium–conduction, convection or radiation? |
| Answer» Which of these does not require a medium–conduction, convection or radiation? | |
| 1783. |
How can you convert an iron bar into a magnet? |
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Answer» How can you convert an iron bar into a magnet? |
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| 1784. |
When North pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, it will ___ |
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Answer» When North pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, it will |
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| 1785. |
find the number of electron that should be removed from coin so that it acquires a charge of10^{-6} coulom |
| Answer» find the number of electron that should be removed from coin so that it acquires a charge of10^{-6} coulom | |
| 1786. |
Graphs plotted by four students A, B, C and D for the experiment "To study the dependence of current (I) on the potential difference (V) across a resistor" are shown below:The correct V-I graph is(1) A(2) B(3) C(4) D |
Answer» Graphs plotted by four students A, B, C and D for the experiment "To study the dependence of current (I) on the potential difference (V) across a resistor" are shown below: The correct V-I graph is (1) A (2) B (3) C (4) D |
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| 1787. |
A point charge q of mass m is placed at the centre of a fixed ring of charge Q and radius R. What minimumvelacity (along the axis of ring) should be give to q so that it would reach far away from ring if () q is positive(ii)g is negative |
| Answer» A point charge q of mass m is placed at the centre of a fixed ring of charge Q and radius R. What minimumvelacity (along the axis of ring) should be give to q so that it would reach far away from ring if () q is positive(ii)g is negative | |
| 1788. |
3 moles of nitrogen and 2 moles of carbon dioxide are mixed in a container γ of the gaseous mixture is? |
| Answer» 3 moles of nitrogen and 2 moles of carbon dioxide are mixed in a container γ of the gaseous mixture is? | |
| 1789. |
Which insulator is used in an electric switch to cut off the supply of current–plastic, wood or air? |
| Answer» Which insulator is used in an electric switch to cut off the supply of current–plastic, wood or air? | |
| 1790. |
Name the types/types of motion being performed by each of the following:(a) vehicle on a straight road (b) blades of an electric fan in motion (c) pendulum of a wall clock (d) smoke particles from chimney (e) hands of a clock (f) earth around the sun (g) a spinning top |
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Answer» Name the types/types of motion being performed by each of the following: (a) vehicle on a straight road (b) blades of an electric fan in motion (c) pendulum of a wall clock (d) smoke particles from chimney (e) hands of a clock (f) earth around the sun (g) a spinning top |
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| 1791. |
Which object is weighed in g? |
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Answer» Which object is weighed in g? |
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| 1792. |
Anil's father has three different wires which vary in lengths.J: 12 cmK: 2.8 mL: 203 mmWhich of the following options shows the arrangement of the wires from the longest to the shortest? |
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Answer» Anil's father has three different wires which vary in lengths. |
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| 1793. |
Harish runs a certain distance faster than Suresh. Which fundamental physical quantity is measured for comparing their speeds? |
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Answer» Harish runs a certain distance faster than Suresh. Which fundamental physical quantity is measured for comparing their speeds? |
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| 1794. |
What are the types of motion in a ceiling fan and its blade? Is it the same? |
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Answer» What are the types of motion in a ceiling fan and its blade? Is it the same? |
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| 1795. |
if a car is moving forward,and apendulum is suspended in it,and car accelerates,why pendulum goes backeard,the force is in forward direction. |
| Answer» if a car is moving forward,and apendulum is suspended in it,and car accelerates,why pendulum goes backeard,the force is in forward direction. | |
| 1796. |
Which lens is used in peepholes of the door? a)concave lens b)convex lens |
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Answer» Which lens is used in peepholes of the door? a)concave lens b)convex lens |
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| 1797. |
A plane mirror is placed at a distance of 12.5 cm from the focus of a concave mirror of radius of curvature 20 cm. find where an object can be placed between the two mirrors, so that the first image in both of the mirrors coincide? |
| Answer» A plane mirror is placed at a distance of 12.5 cm from the focus of a concave mirror of radius of curvature 20 cm. find where an object can be placed between the two mirrors, so that the first image in both of the mirrors coincide? | |
| 1798. |
The area of a square is 16 cm2. The area of the rectangle with length equal to double the side of the square and breadth equal to half of the side of the square is ___cm2 |
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Answer» The area of a square is 16 cm2. The area of the rectangle with length equal to double the side of the square and breadth equal to half of the side of the square is |
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| 1799. |
A car travels at a speed of 60 m/s for first 3 seconds and 40 m/s for the next 2 seconds. The total distance (in m) travelled by the car in those 5 seconds is:260 |
Answer» A car travels at a speed of 60 m/s for first 3 seconds and 40 m/s for the next 2 seconds. The total distance (in m) travelled by the car in those 5 seconds is:
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| 1800. |
31.Two plane mirrors are placed parallel to each other and 40cm apart. An object is placed 10cm from one mirror. What is the distance from the object to the image for each of the five images that are closest to the object.? |
| Answer» 31.Two plane mirrors are placed parallel to each other and 40cm apart. An object is placed 10cm from one mirror. What is the distance from the object to the image for each of the five images that are closest to the object.? | |
