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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.
| 5101. |
Which of the following statement is true? |
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Answer» Which of the following statement is true? |
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| 5102. |
In Leclanche Cell, the carbon rod act as ___. |
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Answer» In Leclanche Cell, the carbon rod act as |
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| 5103. |
The image formed by a rear view mirror _____. |
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Answer» The image formed by a rear view mirror _____. |
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| 5104. |
(a) A student is unable to see clearly the words written on the black board placed at a distance of approximately 3 m from him. Name the defect of vision the boy is suffering from. State the possible causes of this defect and explain the method of correcting it. (b) Why do stars twinkle ? Explain. OR (a) Write the function of each of the following parts of human eye : (i) Cornea (ii) Iris (iii) Crystalline lens (iv) Ciliary muscles (b) Why does the sun appear reddish early in the morning ? Will this phenomenon be observed by an astronaut on the Moon ? Give reason to justify your answer. |
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Answer» (a) A student is unable to see clearly the words written on the black board placed at a distance of approximately 3 m from him. Name the defect of vision the boy is suffering from. State the possible causes of this defect and explain the method of correcting it. (b) Why do stars twinkle ? Explain. OR (a) Write the function of each of the following parts of human eye : (i) Cornea (ii) Iris (iii) Crystalline lens (iv) Ciliary muscles (b) Why does the sun appear reddish early in the morning ? Will this phenomenon be observed by an astronaut on the Moon ? Give reason to justify your answer. |
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| 5105. |
Identify the metal which is being converted to magnet in the following figure: |
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Answer» Identify the metal which is being converted to magnet in the following figure: |
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| 5106. |
Question 13 The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be (i) 1 m/s (ii) 2 m/s (iii) 4 m/s (iv) 8 m/s |
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Answer» Question 13 |
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| 5107. |
The coil of wire in an electric heater used for cooking is called __________. |
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Answer» The coil of wire in an electric heater used for cooking is called __________. |
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| 5108. |
A source of light emits light rays ________. |
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Answer» A source of light emits light rays ________. |
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| 5109. |
A bucket full of water is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ? |
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Answer» A bucket full of water is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ? |
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| 5110. |
Electric charge can be transferred easily through: |
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Answer» Electric charge can be transferred easily through: |
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| 5111. |
What is an electric circuit? Will there be a flow of electric current in an open circuit? [2 MARKS] |
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Answer» What is an electric circuit? Will there be a flow of electric current in an open circuit? [2 MARKS] |
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| 5112. |
How to draw distance time graph for uniform motion if units are not given?? give an example |
| Answer» How to draw distance time graph for uniform motion if units are not given?? give an example | |
| 5113. |
Which of the following statements is/are correct? |
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Answer» Which of the following statements is/are correct? |
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| 5114. |
What is thermal equilibrium |
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Answer» What is thermal equilibrium |
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| 5115. |
Thermometer should not be exposed to: |
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Answer» Thermometer should not be exposed to: |
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| 5116. |
Use of armature in an electric bell Also, Describe how an electric bell works. |
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Answer» Use of armature in an electric bell Also, Describe how an electric bell works. |
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| 5117. |
Which of the following statements is true for radiation? |
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Answer» Which of the following statements is true for radiation? |
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| 5118. |
A soft iron bar is introduced inside a current carrying coil. The magnetic field inside the coil: |
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Answer» A soft iron bar is introduced inside a current carrying coil. The magnetic field inside the coil: |
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| 5119. |
If the cost of pen is Rs 12.75 then the cost of 5 such pens is: |
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Answer» If the cost of pen is Rs 12.75 then the cost of 5 such pens is: |
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| 5120. |
Nichrome wire is used in |
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Answer» Nichrome wire is used in |
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| 5121. |
The Ferrari 488 can attain a velocity of 90kmph from rest within 3s. What is the acceleration of this car? |
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Answer» The Ferrari 488 can attain a velocity of 90kmph from rest within 3s. What is the acceleration of this car? |
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| 5122. |
In cold countries, why are steam pipes covered with asbestos or glass wool? |
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Answer» In cold countries, why are steam pipes covered with asbestos or glass wool? |
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| 5123. |
What will be the energy consumed in 3 hours if an electric heater is rated at 1500 watt? |
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Answer» What will be the energy consumed in 3 hours if an electric heater is rated at 1500 watt? |
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| 5124. |
On a winter night, Himanshu has two options: either to use a single layer blanket or a double layered blanket. You will advise him to use: |
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Answer» On a winter night, Himanshu has two options: either to use a single layer blanket or a double layered blanket. You will advise him to use: |
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| 5125. |
The melting point of the solid state of a substance is 40∘ C. The freezing point of the liquid state of the same substance will be: |
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Answer» The melting point of the solid state of a substance is 40∘ C. The freezing point of the liquid state of the same substance will be: |
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| 5126. |
If the mass of a body is 5kg, its weight on the surface of the earth would be _____ N (newton). (g = 9.8 m/s2) |
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Answer» If the mass of a body is 5kg, its weight on the surface of the earth would be _____ N (newton). (g = 9.8 m/s2) |
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| 5127. |
The standard frequency of electric power supply in India is ___ Hz. |
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Answer» The standard frequency of electric power supply in India is |
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| 5128. |
Who invented magnet? |
| Answer» Who invented magnet? | |
| 5129. |
The energy possesed by a body by the virtue of its position |
| Answer» The energy possesed by a body by the virtue of its position | |
| 5130. |
The ratio of the heights from which two bodies are dropped is 3:5 respectively then the ratio of the final velocity would be what? |
| Answer» The ratio of the heights from which two bodies are dropped is 3:5 respectively then the ratio of the final velocity would be what? | |
| 5131. |
How does the fan work when i switch it on |
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Answer» How does the fan work when i switch it on |
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| 5132. |
With the help of a ray diagram, explain how the recombination of the spectrum of white light can be done? |
| Answer» With the help of a ray diagram, explain how the recombination of the spectrum of white light can be done? | |
| 5133. |
What are turbines used for? |
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Answer» What are turbines used for? |
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| 5134. |
Question 13 Which of the following distance-time graphs shows a truck moving with speed which is not constant? |
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Answer» Question 13 |
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| 5135. |
The colour of light that is scattered depends on what? |
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Answer» The colour of light that is scattered depends on what? |
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| 5136. |
When shearing force is applied on a body, then the elastic potential energy is stored in it. On removing the force, this energy is most likely to get converted into |
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Answer» When shearing force is applied on a body, then the elastic potential energy is stored in it. On removing the force, this energy is most likely to get converted into |
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| 5137. |
How is a solar cooker used to generate high temperature just by the use of mirrors? |
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Answer» How is a solar cooker used to generate high temperature just by the use of mirrors? |
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| 5138. |
A body is released from the top of a tower of height H m. After 2 s, it is stopped and then instaneously released. What will be its height after next 2 s ? |
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Answer» A body is released from the top of a tower of height H m. After 2 s, it is stopped and then instaneously released. What will be its height after next 2 s ? |
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| 5139. |
Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Can it be used to separate scrap iron from the heap? Explain. [3 MARKS] |
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Answer» Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Can it be used to separate scrap iron from the heap? Explain. [3 MARKS] |
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| 5140. |
Electricity is the physical phenomena associated with___ |
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Answer» Electricity is the physical phenomena associated with |
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| 5141. |
What do you mean by: (i) Ray of light (ii) Beam of light [2 MARKS] |
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Answer» What do you mean by: (i) Ray of light (ii) Beam of light [2 MARKS] |
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| 5142. |
The reflected wave, incident wave and the normal to the reflecting surface: |
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Answer» The reflected wave, incident wave and the normal to the reflecting surface: |
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| 5143. |
Show that the gravitational force is a conservative force while friction is not conservative force |
| Answer» Show that the gravitational force is a conservative force while friction is not conservative force | |
| 5144. |
When a spring is compressed, 'A' amount of work is done on the spring, what was the value of its potential energy? |
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Answer» When a spring is compressed, 'A' amount of work is done on the spring, what was the value of its potential energy? |
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| 5145. |
What will be the angle of reflection if a ray of light strikes a plane mirror normally? |
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Answer» What will be the angle of reflection if a ray of light strikes a plane mirror normally? |
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| 5146. |
The change in path of a light ray after striking a mirror is called ___. |
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Answer» The change in path of a light ray after striking a mirror is called |
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| 5147. |
36 kmph = |
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Answer» 36 kmph = |
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| 5148. |
_______ is the mass of one litre (1000 ml) of pure water at 4-degree celsius. |
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Answer» _______ is the mass of one litre (1000 ml) of pure water at 4-degree celsius. |
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| 5149. |
Which of the following options correctly labels the given diagram of a solar cooker? |
Answer» Which of the following options correctly labels the given diagram of a solar cooker? |
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| 5150. |
While inflating a balloon, the entire air that was blown into the balloon escapes, when its mouth is left open. This is because: |
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Answer» While inflating a balloon, the entire air that was blown into the balloon escapes, when its mouth is left open. This is because: |
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