6277 + Interview Questions in Physics Page 115 InterviewSolution

5701.	Question 1 Draw the symbols to represent the following components of electrical circuits: Cell, bulb, switch in the ‘ON’ position, switch in the ‘OFF’ position and battery.
Answer» Question 1 Draw the symbols to represent the following components of electrical circuits: Cell, bulb, switch in the ‘ON’ position, switch in the ‘OFF’ position and battery.

Discussion

5702.	Question 6 Look at the figure. Mark where the heat is being transferred by conduction, by convection and by radiation.
Answer» Question 6 Look at the figure. Mark where the heat is being transferred by conduction, by convection and by radiation.

Discussion

5703.	Which of the following is a way to conserve rainwater?
Answer» Which of the following is a way to conserve rainwater?

Discussion

5704.	The molar heat capacity in a process of a diatomic gas if it does a work of Q4 when a heat of Q is supplied to it is
Answer» The molar heat capacity in a process of a diatomic gas if it does a work of $\frac{Q}{4}$ when a heat of Q is supplied to it is

Discussion

5705.	Choose the correct statement.
Answer» Choose the correct statement.

Discussion

5706.	Complete the following sentences: (a) 1 J =....... calorie. (b) 1 kWh= ........J.
Answer» Complete the following sentences: (a) 1 J =....... calorie. (b) 1 kWh= ........J.

5706.

Complete the following sentences: (a) 1 J =....... calorie. (b) 1 kWh= ........J.

Answer»

Complete the following sentences:

(a) 1 J =....... calorie.

(b) 1 kWh= ........J.

Discussion

5707.	Which of the following work based on the concept of pressure?
Answer» Which of the following work based on the concept of pressure?

Discussion

5708.	In an electric circuit, the current flows from:
Answer» In an electric circuit, the current flows from:

Discussion

5709.	Which quantity indicates that a body is moving faster as compared to another body?
Answer» Which quantity indicates that a body is moving faster as compared to another body?

Discussion

5710.	Which of the following is/are methods to find the direction of wind at a given place?
Answer» Which of the following is/are methods to find the direction of wind at a given place?

Discussion

5711.	You must have seen the motion of the needle in a sewing machine or the pendulum-like objects the hypnotizers use to hypnotize people. Can we categorize both these types of motion? If yes, both of them would most likely be-
Answer» You must have seen the motion of the needle in a sewing machine or the pendulum-like objects the hypnotizers use to hypnotize people. Can we categorize both these types of motion? If yes, both of them would most likely be-

Discussion

5712.	A ball is falling from a height h, After it has fallen to height h/2, it will possess -
Answer» A ball is falling from a height h, After it has fallen to height h/2, it will possess -

Discussion

5713.	The magnetic effect of electric current was first observed by:
Answer» The magnetic effect of electric current was first observed by:

Discussion

5714.	1 metre can be defined as:
Answer» 1 metre can be defined as:

Discussion

5715.	Sushweta is sitting in her house looking at the sea through a window. She felt a cool breeze blowing across her face. Then, which of the following is true?
Answer» Sushweta is sitting in her house looking at the sea through a window. She felt a cool breeze blowing across her face. Then, which of the following is true?

Discussion

5716.	An electric bulb of rating 50W is used for 8hr in one day. Find the number of units (kWh) of energy used by the electric bulb.
Answer» An electric bulb of rating $50W$ is used for $8hr$ in one day. Find the number of units $(k W h)$ of energy used by the electric bulb.

Discussion

5717.	Arrange the following units of area in the increasing order.
Answer» Arrange the following units of area in the increasing order.

Discussion

5718.	Statement 1: Venus is the brightest planet in the night sky. Statement 2: Venus is often called morning or evening star, although it is not a star.
Answer» Statement 1: Venus is the brightest planet in the night sky. Statement 2: Venus is often called morning or evening star, although it is not a star.

5718.

Statement 1: Venus is the brightest planet in the night sky. Statement 2: Venus is often called morning or evening star, although it is not a star.

Answer»

Statement 1: Venus is the brightest planet in the night sky.

Statement 2: Venus is often called morning or evening star, although it is not a star.

Discussion

5719.	A police car moving at 60ms−1 is pursuing a minivan moving at 45ms−1. How long will it take the police car to catch up if the mini-van is 600m ahead of the police car at the beginning of the chase?
Answer» A police car moving at $60 m s^{- 1}$ is pursuing a minivan moving at $45 m s^{- 1}$ . How long will it take the police car to catch up if the mini-van is $600 m$ ahead of the police car at the beginning of the chase?

Discussion

5720.	What is conduction? How does it occur?
Answer» What is conduction? How does it occur?

Discussion

5721.	How are Si and CGS unit of density related
Answer» How are Si and CGS unit of density related

Discussion

5722.	Can a body processes energy even when it is not in motion? Explain your answer with an example
Answer» Can a body processes energy even when it is not in motion? Explain your answer with an example

Discussion

5723.	Question 8 One liter of water at 30∘C is mixed with one liter of water at 50∘C. The temperature of the mixture will be (a)80∘C (b) more than 50∘C but less than 80∘C (c) 20∘C (d) between 30∘C and 50∘C
Answer» Question 8 One liter of water at $30^{\circ} C$ is mixed with one liter of water at $50^{\circ} C$ . The temperature of the mixture will be (a) $80^{\circ} C$ (b) more than $50^{\circ} C$ but less than $80^{\circ} C$ (c) $20^{\circ} C$ (d) between $30^{\circ} C$ and $50^{\circ} C$

Discussion

5724.	When current flows in electrical circuit following effect(s) is/are seen
Answer» When current flows in electrical circuit following effect(s) is/are seen

Discussion

5725.	How is the phrase "Distance travelled per unit time" different from the phrase "Rate of change of position"?Explain the phrases.
Answer» How is the phrase "Distance travelled per unit time" different from the phrase "Rate of change of position"?Explain the phrases.

Discussion

5726.	Question 10 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.
Answer» Question 10 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.

Discussion

5727.	Is light a ray or wave?
Answer» Is light a ray or wave?

Discussion

5728.	Which of the following wires are used for household circuits?
Answer» Which of the following wires are used for household circuits?

Discussion

5729.	identify that furnace is hot or cold
Answer» identify that furnace is hot or cold

Discussion

5730.	What does the above symbol represent?
Answer» What does the above symbol represent?

Discussion

5731.	When a car travelling at a high speed, takes a turn at a sharp bend, the people inside the car experience an outward pull. Why does this happen?
Answer» When a car travelling at a high speed, takes a turn at a sharp bend, the people inside the car experience an outward pull. Why does this happen?

Discussion

5732.	A car decreases its speed from 80km/h to 60km/h is 5seconds. The acceleration of the car is :
Answer» A car decreases its speed from $80 k m / h$ to $60 k m / h$ is $5 s e c o n d s$ . The acceleration of the car is :

Discussion

5733.	In summer, if a wooden chair and an iron chair kept outside for a long time, which one will feel warmer?
Answer» In summer, if a wooden chair and an iron chair kept outside for a long time, which one will feel warmer?

Discussion

5734.	A car traveling at 20 km/h speeds up to 60 km/h in 6 seconds. What is its acceleration in m/s2?
Answer» A car traveling at 20 km/h speeds up to 60 km/h in 6 seconds. What is its acceleration in m/ $s^{2}$ ?

Discussion

5735.	The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain. [3 MARKS]
Answer» The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain. [3 MARKS]

Discussion

5736.	What is virtual image? When it is formed? [3 MARKS]
Answer» What is virtual image? When it is formed? [3 MARKS]

Discussion

5737.	Why does light travel in a straight line?
Answer» Why does light travel in a straight line?

Discussion

5738.	How is lighting produced?
Answer» How is lighting produced?

Discussion

5739.	A bulb is kept burning right on the top of a pole. The shadow casted by the pole would look like
Answer» A bulb is kept burning right on the top of a pole. The shadow casted by the pole would look like

Discussion

5740.	A closely wounded cylindrical coil whose diameter is less in comparison to its length is named as
Answer» A closely wounded cylindrical coil whose diameter is less in comparison to its length is named as

Discussion

5741.	A crane uses a mysterious object ‘X’ to separate objects made of iron from junk. The object ‘X’ is most probably:
Answer» A crane uses a mysterious object ‘X’ to separate objects made of iron from junk. The object ‘X’ is most probably:

Discussion

5742.	Which of the following would reflect the light most?
Answer» Which of the following would reflect the light most?

Discussion

5743.	The potential difference is created in an electric circuit due to ___.
Answer» The potential difference is created in an electric circuit due to ___.

Discussion

5744.	The angle of reflection for a ray incident at an angle of 40∘ with the normal is ___ ∘.
Answer» The angle of reflection for a ray incident at an angle of $40^{\circ}$ with the normal is ___ $\circ$ .

Discussion

5745.	A block of density 2000 kg/m3 and mass 10 kg is suspended by a spring stiffness 100 N/m. The other end of the spring is attached to a fixed support. The block is completely submerged in a liquid of density 1000 kg/m3. If the block is in equilibrium position, then:
Answer» A block of density $2000 k g / m^{3}$ and mass 10 kg is suspended by a spring stiffness 100 N/m. The other end of the spring is attached to a fixed support. The block is completely submerged in a liquid of density $1000 k g / m^{3}$ . If the block is in equilibrium position, then:

Discussion

5746.	The odometer of a vehicle measures a quantity whose SI unit is_______.
Answer» The odometer of a vehicle measures a quantity whose SI unit is_______.

Discussion

5747.	A force of magnitude 25 N acting on a body of mass 2 kg increases its kinetic energy from 0 J to 100 J. The displacement of the body during this interval is ___m.
Answer» A force of magnitude 25 N acting on a body of mass 2 kg increases its kinetic energy from 0 J to 100 J. The displacement of the body during this interval is ___m.

Discussion

5748.	A box follows a zigzag path to reach from point A to B. The actual length of the path is 5 m and the length of the straight line joining the two points is 2 m. If a force of 5 N acts on the box along the line joining A and B. The work done on the box by the force is:
Answer» A box follows a zigzag path to reach from point A to B. The actual length of the path is 5 m and the length of the straight line joining the two points is 2 m. If a force of 5 N acts on the box along the line joining A and B. The work done on the box by the force is:

Discussion

5749.	If we subtract green from cyan, we get
Answer» If we subtract green from cyan, we get

Discussion

5750.	36 km/h =___m/s.
Answer» 36 km/h =___m/s.

Discussion

Explore topic-wise InterviewSolutions in .

Question 1 Draw the symbols to represent the following components of electrical circuits: Cell, bulb, switch in the ‘ON’ position, switch in the ‘OFF’ position and battery.

Question 6 Look at the figure. Mark where the heat is being transferred by conduction, by convection and by radiation.

Which of the following is a way to conserve rainwater?

The molar heat capacity in a process of a diatomic gas if it does a work of Q4 when a heat of Q is supplied to it is

Choose the correct statement.

Complete the following sentences: (a) 1 J =....... calorie. (b) 1 kWh= ........J.

Which of the following work based on the concept of pressure?

In an electric circuit, the current flows from:

Which quantity indicates that a body is moving faster as compared to another body?

Which of the following is/are methods to find the direction of wind at a given place?

You must have seen the motion of the needle in a sewing machine or the pendulum-like objects the hypnotizers use to hypnotize people. Can we categorize both these types of motion? If yes, both of them would most likely be-

A ball is falling from a height h, After it has fallen to height h/2, it will possess -

The magnetic effect of electric current was first observed by:

1 metre can be defined as:

Sushweta is sitting in her house looking at the sea through a window. She felt a cool breeze blowing across her face. Then, which of the following is true?

An electric bulb of rating 50W is used for 8hr in one day. Find the number of units (kWh) of energy used by the electric bulb.

Arrange the following units of area in the increasing order.

Statement 1: Venus is the brightest planet in the night sky. Statement 2: Venus is often called morning or evening star, although it is not a star.

A police car moving at 60ms−1 is pursuing a minivan moving at 45ms−1. How long will it take the police car to catch up if the mini-van is 600m ahead of the police car at the beginning of the chase?

What is conduction? How does it occur?

How are Si and CGS unit of density related

Can a body processes energy even when it is not in motion? Explain your answer with an example

Question 8 One liter of water at 30∘C is mixed with one liter of water at 50∘C. The temperature of the mixture will be (a)80∘C (b) more than 50∘C but less than 80∘C (c) 20∘C (d) between 30∘C and 50∘C

When current flows in electrical circuit following effect(s) is/are seen

How is the phrase "Distance travelled per unit time" different from the phrase "Rate of change of position"?Explain the phrases.

Question 10 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.

Is light a ray or wave?

Which of the following wires are used for household circuits?

identify that furnace is hot or cold

What does the above symbol represent?

When a car travelling at a high speed, takes a turn at a sharp bend, the people inside the car experience an outward pull. Why does this happen?

A car decreases its speed from 80km/h to 60km/h is 5seconds. The acceleration of the car is :

In summer, if a wooden chair and an iron chair kept outside for a long time, which one will feel warmer?

A car traveling at 20 km/h speeds up to 60 km/h in 6 seconds. What is its acceleration in m/s2?

The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain. [3 MARKS]

What is virtual image? When it is formed? [3 MARKS]

Why does light travel in a straight line?

How is lighting produced?

A bulb is kept burning right on the top of a pole. The shadow casted by the pole would look like

A closely wounded cylindrical coil whose diameter is less in comparison to its length is named as

A crane uses a mysterious object ‘X’ to separate objects made of iron from junk. The object ‘X’ is most probably:

Which of the following would reflect the light most?

The potential difference is created in an electric circuit due to ___.

The angle of reflection for a ray incident at an angle of 40∘ with the normal is ___ ∘.

A block of density 2000 kg/m3 and mass 10 kg is suspended by a spring stiffness 100 N/m. The other end of the spring is attached to a fixed support. The block is completely submerged in a liquid of density 1000 kg/m3. If the block is in equilibrium position, then:

The odometer of a vehicle measures a quantity whose SI unit is_______.

A force of magnitude 25 N acting on a body of mass 2 kg increases its kinetic energy from 0 J to 100 J. The displacement of the body during this interval is ___m.

A box follows a zigzag path to reach from point A to B. The actual length of the path is 5 m and the length of the straight line joining the two points is 2 m. If a force of 5 N acts on the box along the line joining A and B. The work done on the box by the force is:

If we subtract green from cyan, we get

36 km/h =___m/s.