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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.
| 801. |
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour? (1) \lbrack Cr(NH_3)_6\rbrack^{3+} (2) \lbrack Co(NH_3)_6\rbrack^{3+} (3) \lbrack Ni (NH_3)_6\rbrack^{2+} (4) \lbrack Zn (NH_3)_6\rbrack^{2+ |
| Answer» Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour? (1) \lbrack Cr(NH_3)_6\rbrack^{3+} (2) \lbrack Co(NH_3)_6\rbrack^{3+} (3) \lbrack Ni (NH_3)_6\rbrack^{2+} (4) \lbrack Zn (NH_3)_6\rbrack^{2+ | |
| 802. |
Is there any difference between bad conductors and insulators.Explain with an example |
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Answer» Is there any difference between bad conductors and insulators.Explain with an example |
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| 803. |
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain. |
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Answer» Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain. |
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| 804. |
Does friction always oppose motion? |
| Answer» Does friction always oppose motion? | |
| 805. |
Match the following- Group A Group B 1 Mirror A Non-luminous 2 Firefly B Inverted image 3 Pinhole camera C Reflection 4 Moon D luminous |
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Answer» Match the following-
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| 806. |
Which of the following is not a fundamental unit? |
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Answer» Which of the following is not a fundamental unit? |
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| 807. |
A object weight 10kg on earth. A planet is there whose mass is double adnd radius three times that of earth. find the weight of object on that plane |
| Answer» A object weight 10kg on earth. A planet is there whose mass is double adnd radius three times that of earth. find the weight of object on that plane | |
| 808. |
Calculate the mechanical advantage of a lever in which the effort arm is 50 cm and the load arm is 2cm. ___ |
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Answer» Calculate the mechanical advantage of a lever in which the effort arm is 50 cm and the load arm is 2cm. |
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| 809. |
What are magnetic and non-magnetic substances ? Give two examples of each. |
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Answer» What are magnetic and non-magnetic substances ? Give two examples of each. |
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| 810. |
Which state of matter can easily change its shape and volume? |
| Answer» Which state of matter can easily change its shape and volume? | |
| 811. |
The time period of a sound wave is 0.020 s. What is its frequency? |
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Answer» The time period of a sound wave is 0.020 s. What is its frequency? |
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| 812. |
What are the differences in the M.K.S. and the C.G.S. systems of measurements? |
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Answer» What are the differences in the M.K.S. and the C.G.S. systems of measurements? |
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| 813. |
Question 1 Which of the following option shows the correct direction of current. (a) (b) (c) (d) |
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Answer» Question 1 Which of the following option shows the correct direction of current. (a)
(b)
(c)
(d)
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| 814. |
The percentage change in pressure at a given temparature is 200% increase.calculate the percentage change in the volume of the gas |
| Answer» The percentage change in pressure at a given temparature is 200% increase.calculate the percentage change in the volume of the gas | |
| 815. |
Anu can walk kilometers in 1hour. How far can she walk in hours? |
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Answer» Anu can walk |
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| 816. |
11. Near the earths' surface time period of a satellite is 1.4 hrs. Find its time period if it is at the distance 4R from the centre of earth |
| Answer» 11. Near the earths' surface time period of a satellite is 1.4 hrs. Find its time period if it is at the distance 4R from the centre of earth | |
| 817. |
A cuboid box with measurements are shown here. Find the missing length. |
Answer» A cuboid box with measurements are shown here. Find the missing length.  |
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| 818. |
If the radius of a nucleus with a mass number 7 is 2 fm, then the radius of the nucleus with mass number 189 is |
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Answer» If the radius of a nucleus with a mass number 7 is 2 fm, then the radius of the nucleus with mass number 189 is |
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| 819. |
A magnet is an object that attracts iron objects. This phenomenon is known as _________. |
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Answer» A magnet is an object that attracts iron objects. This phenomenon is known as _________. |
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| 820. |
A maglev train travels at 200 km h−1. What will be the distance covered by it at the end of 2.5 h? |
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Answer» A maglev train travels at 200 km h−1. What will be the distance covered by it at the end of 2.5 h? |
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| 821. |
We can make a magnet with only one pole. True or false? |
| Answer» We can make a magnet with only one pole. True or false? | |
| 822. |
The wavelength of light coming from the sodium source is 589 nm. What will be its wavelength in water?Refractive index of water =1.33 |
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Answer» The wavelength of light coming from the sodium source is 589 nm. What will be its wavelength in water? |
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| 823. |
A piece ofwire metrelong broke into two pieces. One piece was metrelong. How long is the other piece? |
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Answer» A piece of |
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| 824. |
Which of these does not conduct electricity?(a) brass spoon(b) silver jewellery(c) steel tumbler(d) plastic jug |
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Answer» Which of these does not conduct electricity? (a) brass spoon (b) silver jewellery (c) steel tumbler (d) plastic jug |
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| 825. |
Amplification and transmission of the vibrations received by tympanum into the inner ear are done by: |
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Answer» Amplification and transmission of the vibrations received by tympanum into the inner ear are done by: |
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| 826. |
Mohit measure minimum force required to pull wooden block to be F1,when it was placed on a wooden table.He repeated the experiment by placing the block on glass surface and on cardboard and measured forces to be F2 and F3 respectively.which one of these will be minimum and which will be maximum?why? |
| Answer» Mohit measure minimum force required to pull wooden block to be F1,when it was placed on a wooden table.He repeated the experiment by placing the block on glass surface and on cardboard and measured forces to be F2 and F3 respectively.which one of these will be minimum and which will be maximum?why? | |
| 827. |
who is the strongest force |
| Answer» who is the strongest force | |
| 828. |
Fill in the blanks:(a) Longer line in the symbol for a cell represents its_________terminal.(b) The combination of two or more cells is called a _________.(c) When current is switched ‘on’ in a room heater, it __________.(d) The safety device based on the heating effect of electric current is called a _________. |
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Answer» Fill in the blanks: (a) Longer line in the symbol for a cell represents its_________terminal. (b) The combination of two or more cells is called a _________. (c) When current is switched ‘on’ in a room heater, it __________. (d) The safety device based on the heating effect of electric current is called a _________. |
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| 829. |
While Rishabh was studying, power got cut. He took out his emergency light and started studying again. Suddenly he observed his shadow on the wall. Which of the following roughly describe the shape of the shadow formed? |
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Answer» While Rishabh was studying, power got cut. He took out his emergency light and started studying again. Suddenly he observed his shadow on the wall. Which of the following roughly describe the shape of the shadow formed?
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| 830. |
The relation between the coefficients of linear expansion, α and volume expansion, γ is |
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Answer» The relation between the coefficients of linear expansion, α and volume expansion, γ is |
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| 831. |
A sphere cannot roll on |
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Answer» A sphere cannot roll on
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| 832. |
Will a spin ball in cricket be rotational and rectilinear motion ? |
| Answer» Will a spin ball in cricket be rotational and rectilinear motion ? | |
| 833. |
Even Carnot engine cannot give 100% efficiency because we cannot: |
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Answer» Even Carnot engine cannot give 100% efficiency because we cannot: |
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| 834. |
Which star is at the center of our solar system? |
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Answer» Which star is at the center of our solar system? |
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| 835. |
5.Formulae of acceleration in circular motion |
| Answer» 5.Formulae of acceleration in circular motion | |
| 836. |
What is positive charge |
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Answer» What is positive charge |
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| 837. |
An electronic appliance is rated 20 μA. Calculate the no. electrons that would travel through it in 5 minutes. |
| Answer» An electronic appliance is rated 20 μA. Calculate the no. electrons that would travel through it in 5 minutes. | |
| 838. |
At a certain place, the angle of dip is 30∘ and the horizontal component of earth's magnetic field is 0.50 Oersted. The earth's total magnetic field is (in Oersted) |
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Answer» At a certain place, the angle of dip is 30∘ and the horizontal component of earth's magnetic field is 0.50 Oersted. The earth's total magnetic field is (in Oersted) |
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| 839. |
Four children measures the length of a table which is about 2 m. Each of them uses different ways to measure it. (i) Sam measures it with a half metre long thread. (ii) Gurmeet measures it with a 15 cm scale from her geometry box.(iii) Reena measures it using her hand span. (iv) Salim measures it using a 5 m long measuring tape. Which one of them will get the most accurate length? Give reason for your answer. |
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Answer» Four children measures the length of a table which is about 2 m. Each of them uses different ways to measure it. (i) Sam measures it with a half metre long thread. (ii) Gurmeet measures it with a 15 cm scale from her geometry box. (iii) Reena measures it using her hand span. (iv) Salim measures it using a 5 m long measuring tape. Which one of them will get the most accurate length? Give reason for your answer. |
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| 840. |
A magnet was brought from various directions towards a toy boat that was floating in a water tub. The observed effect in each case is mentioned in Column I. Possible reason for the observed effects are mentioned in Column II. Match the statements in Column I and Column II. [5 MARKS] Column IColumn IIBoat gets attracted towards the bar magnet.Boat is fitted with a bar magnet with north pole towards its head.Boat is not affected by the magnet.Boat is fitted with a bar magnet with south pole towards its head.Boat moves towards the magnet if north pole of the magnet is brought near its head.Boat has a small magnet fixed along its length.Boat moves away the magnet if north pole of the magnet is brought near its head.Boat is made of magnetic materialBoat floats without changing its direction.Boat is made of non-magnetic material |
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Answer» A magnet was brought from various directions towards a toy boat that was floating in a water tub. The observed effect in each case is mentioned in Column I. Possible reason for the observed effects are mentioned in Column II. Match the statements in Column I and Column II. [5 MARKS] Column IColumn IIBoat gets attracted towards the bar magnet.Boat is fitted with a bar magnet with north pole towards its head.Boat is not affected by the magnet.Boat is fitted with a bar magnet with south pole towards its head.Boat moves towards the magnet if north pole of the magnet is brought near its head.Boat has a small magnet fixed along its length.Boat moves away the magnet if north pole of the magnet is brought near its head.Boat is made of magnetic materialBoat floats without changing its direction.Boat is made of non-magnetic material |
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| 841. |
a package falls out of an airplane that is flying in a straight line at a cons†an t altitude and speed. If we ignore air resis†an ce then what would be the path of package observed by pilot |
| Answer» a package falls out of an airplane that is flying in a straight line at a cons†an t altitude and speed. If we ignore air resis†an ce then what would be the path of package observed by pilot | |
| 842. |
The type of object that doesn't cast shadow is known as ___ . |
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Answer» The type of object that doesn't cast shadow is known as |
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| 843. |
What is the energy transformation that is taking place when we compress a spring? |
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Answer» What is the energy transformation that is taking place when we compress a spring? |
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| 844. |
Which instruments are used for measuring distances? |
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Answer» Which instruments are used for measuring distances? |
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| 845. |
If slope angle is 90 then the slope will be positive or negative ? |
| Answer» If slope angle is 90 then the slope will be positive or negative ? | |
| 846. |
Burst the bubble if the number inside it is greater than 523,654,846. |
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Answer» Burst the bubble if the number inside it is greater than 523,654,846. |
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| 847. |
the number of significant zeroes present in the measured value 0.020040 is? |
| Answer» the number of significant zeroes present in the measured value 0.020040 is? | |
| 848. |
Why is the reasoning behind the author writing this article? |
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Answer» Why is the reasoning behind the author writing this article? |
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| 849. |
The objects can be strongly joined and separated easily using___. |
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Answer» The objects can be strongly joined and separated easily using___. |
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| 850. |
two metallic cylinders made of the same material and radii r and 2r are joined as shown in the figure. if top end is fixed and lower end of cylinder B is twisted by angle Θ , then angle of twist for cylinder A is (both cylinder have the same length)WHY TWISTING TORQUE IS SAME IN BOTH THE METALLIC CYLINDER?? |
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Answer» two metallic cylinders made of the same material and radii r and 2r are joined as shown in the figure. if top end is fixed and lower end of cylinder B is twisted by angle Θ , then angle of twist for cylinder A is (both cylinder have the same length) WHY TWISTING TORQUE IS SAME IN BOTH THE METALLIC CYLINDER?? |
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kilometers in 1hour. How far can she walk in 
hours?
metre
metre