3752 + Interview Questions in Physics Page 24 InterviewSolution

1151.	what is drag
Answer» what is drag

Discussion

1152.	21. If a magnet is suspended at angle 30^° to the magnetic meridian ,then the dip needle makes angle of 45,^° with the horizontal .The real dip is 1. tan -1(3/2) 2. tan-1(2/3)
Answer» 21. If a magnet is suspended at angle 30^° to the magnetic meridian ,then the dip needle makes angle of 45,^° with the horizontal .The real dip is 1. tan -1(3/2) 2. tan-1(2/3)

Discussion

1153.	a wireis strecthed under a force.if the wire suddenly snaps the temperature og the wir
Answer» a wireis strecthed under a force.if the wire suddenly snaps the temperature og the wir

Discussion

1154.	A block of mass 10 kg which was originally at rest, is being pushed by two equal forces in opposite directions. What can we say about the motion of the block?
Answer» A block of mass $10 k g$ which was originally at rest, is being pushed by two equal forces in opposite directions. What can we say about the motion of the block?

Discussion

1155.	A square current carrying loop is suspended in auniform magnetic field acting in the plane of theloop. If the force on one arm of the loop is F, thenet force on the remaining three arms of the loopis:IS\lbrack AIPMT (Prelims)-2010\rbrack(2)-F(4) F(1) 3F(3) -3F
Answer» A square current carrying loop is suspended in auniform magnetic field acting in the plane of theloop. If the force on one arm of the loop is F, thenet force on the remaining three arms of the loopis:IS\lbrack AIPMT (Prelims)-2010\rbrack(2)-F(4) F(1) 3F(3) -3F

Discussion

1156.	What makes the comets, meteors, and planets in our solar system to revolve around the sun?
Answer» What makes the comets, meteors, and planets in our solar system to revolve around the sun?

Discussion

1157.	What is Luminous and Non-Luminous objects
Answer» What is Luminous and Non-Luminous objects

Discussion

1158.	A bar magnet of length 1cm and cross sectional area 1cm^2 produces a magnetic field of 1.5*10^(-4)T at a point in end on position at a distance 15cm away from the centre. Find the magnetic field B at the centre of the magnet.
Answer» A bar magnet of length 1cm and cross sectional area 1cm^2 produces a magnetic field of 1.5*10^(-4)T at a point in end on position at a distance 15cm away from the centre. Find the magnetic field B at the centre of the magnet.

Discussion

1159.	The length of a pendulum is measured as 20.0cm . The time interval for100 oscillations is measured as 90s with a stop watch of 1s resolution. The accuracy in the determination of 'g' is
Answer» The length of a pendulum is measured as 20.0cm . The time interval for100 oscillations is measured as 90s with a stop watch of 1s resolution. The accuracy in the determination of 'g' is

Discussion

1160.	A rod of mass m and length L is moving on a frictionless horizontal plane such that velocity of its upper end is 2v while velocity of its lower end is v The kinetic energy of rod is
Answer» A rod of mass m and length L is moving on a frictionless horizontal plane such that velocity of its upper end is 2v while velocity of its lower end is v The kinetic energy of rod is

Discussion

1161.	Which of the following cannot happen, irrespective of whether the given iron bar B is a bar magnet or not?(a) Both ends of B are attracted to the north pole of a magnet.(b) Both ends of B are attracted to the south pole of a magnet.(c) One end of B is attracted and the other end is repelled by the north pole of a magnet.(d) Both ends of B are repelled by the south pole of a magnet.
Answer» Which of the following cannot happen, irrespective of whether the given iron bar B is a bar magnet or not? (a) Both ends of B are attracted to the north pole of a magnet. (b) Both ends of B are attracted to the south pole of a magnet. (c) One end of B is attracted and the other end is repelled by the north pole of a magnet. (d) Both ends of B are repelled by the south pole of a magnet.

Discussion

1162.	25. What is SN2 mechanism?
Answer» 25. What is SN2 mechanism?

Discussion

1163.	Anil's father has three different wires which vary in lengths. J: 12 cm K: 2.8 m L: 203 mm Which of the following options shows the arrangement of the wires from the longest to the shortest?
Answer» Anil's father has three different wires which vary in lengths. J: 12 cm K: 2.8 m L: 203 mm Which of the following options shows the arrangement of the wires from the longest to the shortest?

Discussion

1164.	If a force is applied at the hinge of a door instead of the handle, then
Answer» If a force is applied at the hinge of a door instead of the handle, then

Discussion

1165.	ntA: in the presence of air resistance, if the ball is thrown vertically upwards then time of ascent is less than the time of descentn ntR: Force due to air friction always acts opposite to the motion of the bodyn ntn ntexplain me alson
Answer» ntA: in the presence of air resistance, if the ball is thrown vertically upwards then time of ascent is less than the time of descentn ntR: Force due to air friction always acts opposite to the motion of the bodyn ntn ntexplain me alson

Discussion

1166.	A particle is projected with some angle from theground. It has maximum range 40 m. The maximumheight achieved by particle is
Answer» A particle is projected with some angle from the ground. It has maximum range 40 m. The maximum height achieved by particle is

Discussion

1167.	Question 2 (a)In Activity 13.7, how do we think the displacement of rod AB will be affected if(i) current in rod AB is increased;
Answer» Question 2 (a) In Activity 13.7, how do we think the displacement of rod AB will be affected if (i) current in rod AB is increased;

Discussion

1168.	A fan starts running when we _______ the switch.
Answer» A fan starts running when we _______ the switch.

Discussion

1169.	When ___ strikes at a piece of iron ore, a permanent magnet is formed.
Answer» When ___ strikes at a piece of iron ore, a permanent magnet is formed.

Discussion

1170.	Explain the meaning of the term, 'magnetic field'.
Answer» Explain the meaning of the term, 'magnetic field'.

Discussion

1171.	Why does light have a tremendous amount of energy irrespective of the fact that it is massless?E=mc2 seems to be violated
Answer» Why does light have a tremendous amount of energy irrespective of the fact that it is massless? E=mc2 seems to be violated

Discussion

1172.	39.A small body slides down from a height h and passes into a circle of radius h/2 as shown. Friction is negligible. What is the velocity of the body at the h
Answer» 39.A small body slides down from a height h and passes into a circle of radius h/2 as shown. Friction is negligible. What is the velocity of the body at the h

Discussion

1173.	42.When a magnet is kept in such a way that the south Pole of bar magnet is at the direction of geographic north then how many null points are present and where are they present
Answer» 42.When a magnet is kept in such a way that the south Pole of bar magnet is at the direction of geographic north then how many null points are present and where are they present

Discussion

1174.	For the nuclear fusion reaction {}_1^2H+{}_1^3H→{}_2^4He+{}_0^1n temperature to which gases must be heated is 3.7x10^9K.Potential energy between two nuclei is closest to (Boltzmann's cons†an t k=1.38x10^9J/K) 1.)-10^{-10}J 2.)-10^{-12}J 3.)-10^{-14}J 4.)-10^{-13}J
Answer» For the nuclear fusion reaction {}_1^2H+{}_1^3H→{}_2^4He+{}_0^1n temperature to which gases must be heated is 3.7x10^9K.Potential energy between two nuclei is closest to (Boltzmann's cons†an t k=1.38x10^9J/K) 1.)-10^{-10}J 2.)-10^{-12}J 3.)-10^{-14}J 4.)-10^{-13}J

Discussion

1175.	Explain cardic circle with diagram?
Answer» Explain cardic circle with diagram?

Discussion

1176.	Draw the symbols of the following electrical components:1. Electric cell2. Switch in ON position3. Electric bulb4. Battery
Answer» Draw the symbols of the following electrical components: 1. Electric cell 2. Switch in ON position 3. Electric bulb 4. Battery

Discussion

1177.	Explain with the help of examples : Muscular force, gravity, static electric force.
Answer» Explain with the help of examples : Muscular force, gravity, static electric force.

1177.

Explain with the help of examples : Muscular force, gravity, static electric force.

Answer»

Explain with the help of examples :

Muscular force, gravity, static electric force.

Discussion

1178.	How to change light year into km?
Answer» How to change light year into km?

Discussion

1179.	How was the magnet discovered?
Answer» How was the magnet discovered?

Discussion

1180.	Why is it difficult to climb a circular staircase?
Answer» Why is it difficult to climb a circular staircase?

Discussion

1181.	Which of the following quantities are required to define a force?
Answer» Which of the following quantities are required to define a force?

Discussion

1182.	Why do bulbs have two terminals?
Answer» Why do bulbs have two terminals?

Discussion

1183.	यासुकी-चान को अपने पेड़ पर चढ़ाने के लिए तोत्तो-चान ने अथक प्रयास क्यों किया? लिखिए।
Answer» यासुकी-चान को अपने पेड़ पर चढ़ाने के लिए तोत्तो-चान ने अथक प्रयास क्यों किया? लिखिए।

Discussion

1184.	Name the force that acts between charged particles.
Answer» Name the force that acts between charged particles.

Discussion

1185.	The interaction between the Earth and the Moon which keeps the Moon revolving around the Earth is a:
Answer» The interaction between the Earth and the Moon which keeps the Moon revolving around the Earth is a:

Discussion

1186.	Hope you were paying attention! Now, based on what you have learned till now in this video, if you think of the earth having a bar magnet like this: Then which among these looks like the most probable orientation of the bar magnet with respect to the Earth's North Pole and South pole (geographical poles they are called, as you will learn shortly)?
Answer» Hope you were paying attention! Now, based on what you have learned till now in this video, if you think of the earth having a bar magnet like this: Then which among these looks like the most probable orientation of the bar magnet with respect to the Earth's North Pole and South pole (geographical poles they are called, as you will learn shortly)?

1186.

Hope you were paying attention! Now, based on what you have learned till now in this video, if you think of the earth having a bar magnet like this: Then which among these looks like the most probable orientation of the bar magnet with respect to the Earth's North Pole and South pole (geographical poles they are called, as you will learn shortly)?

Answer»

Hope you were paying attention! Now, based on what you have learned till now in this video, if you think of the earth having a bar magnet like this:

Then which among these looks like the most probable orientation of the bar magnet with respect to the Earth's North Pole and South pole (geographical poles they are called, as you will learn shortly)?

Discussion

1187.	Find the volume of a cuboidal container having dimensions 3m × 5m × 6m.
Answer» Find the volume of a cuboidal container having dimensions 3m $\times$ 5m $\times$ 6m.

Discussion

1188.	an astraunaut , while revolvingin a circular orbit happens to throw a spoon outside. will the spoon reach the surface of earth??ple explain in detail.
Answer» an astraunaut , while revolvingin a circular orbit happens to throw a spoon outside. will the spoon reach the surface of earth??ple explain in detail.

Discussion

1189.	Figure shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once?(a) 0.1 m (b) 0.15 m(c) 0.2 m (d) 0.05 m
Answer» Figure shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once? (a) 0.1 m (b) 0.15 m (c) 0.2 m (d) 0.05 m

Discussion

1190.	A student, while making a circuit to make a bulb glow using a dry cell, conected the plastic covering of the wire to the cell, instead of the metal wire inside it. Will current flow in the circuit? Why?
Answer» A student, while making a circuit to make a bulb glow using a dry cell, conected the plastic covering of the wire to the cell, instead of the metal wire inside it. Will current flow in the circuit? Why?

Discussion

1191.	A quantity that can be measured is called a ______________ quantity.
Answer» A quantity that can be measured is called a ______________ quantity.

Discussion

1192.	if earth has two pole then why not all the metals are stuck at that two poles
Answer» if earth has two pole then why not all the metals are stuck at that two poles

Discussion

1193.	In which of the following forms does an electric bulb convert electrical energy into?
Answer» In which of the following forms does an electric bulb convert electrical energy into?

Discussion

1194.	A student had a ball, a screen and a torch in working condition. He tried to form a shadow of the ball on the screen by placing them at different positions. Sometimes the shadow was not obtained. Explain.
Answer» A student had a ball, a screen and a torch in working condition. He tried to form a shadow of the ball on the screen by placing them at different positions. Sometimes the shadow was not obtained. Explain.

Discussion

1195.	Question 9 Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?
Answer» Question 9 Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?

1195.

Question 9 Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?

Answer»

Question 9

Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?

Discussion

1196.	A bulb is said to be fused when:
Answer» A bulb is said to be fused when:

Discussion

1197.	ASSERTION: Shake and light year both measures time. REASON: Both have dimention of time
Answer» ASSERTION: Shake and light year both measures time. REASON: Both have dimention of time

Discussion

1198.	Question 1When a body falls freely towards the earth, then its total energy(a) increases(b) decreases(c) remains constant(d) first increases and then decreases
Answer» Question 1 When a body falls freely towards the earth, then its total energy (a) increases (b) decreases (c) remains constant (d) first increases and then decreases

Discussion

1199.	A combination of all the forces acting on an object is called
Answer» A combination of all the forces acting on an object is called

Discussion

1200.	How are the magnets kept safely ? What is the role of keepers in storing the magnets ?
Answer» How are the magnets kept safely ? What is the role of keepers in storing the magnets ?

Discussion

Explore topic-wise InterviewSolutions in .

what is drag

21. If a magnet is suspended at angle 30^° to the magnetic meridian ,then the dip needle makes angle of 45,^° with the horizontal .The real dip is 1. tan -1(3/2) 2. tan-1(2/3)

a wireis strecthed under a force.if the wire suddenly snaps the temperature og the wir

A block of mass 10 kg which was originally at rest, is being pushed by two equal forces in opposite directions. What can we say about the motion of the block?

A square current carrying loop is suspended in auniform magnetic field acting in the plane of theloop. If the force on one arm of the loop is F, thenet force on the remaining three arms of the loopis:IS\lbrack AIPMT (Prelims)-2010\rbrack(2)-F(4) F(1) 3F(3) -3F

What makes the comets, meteors, and planets in our solar system to revolve around the sun?

What is Luminous and Non-Luminous objects

A bar magnet of length 1cm and cross sectional area 1cm^2 produces a magnetic field of 1.5*10^(-4)T at a point in end on position at a distance 15cm away from the centre. Find the magnetic field B at the centre of the magnet.

The length of a pendulum is measured as 20.0cm . The time interval for100 oscillations is measured as 90s with a stop watch of 1s resolution. The accuracy in the determination of 'g' is

A rod of mass m and length L is moving on a frictionless horizontal plane such that velocity of its upper end is 2v while velocity of its lower end is v The kinetic energy of rod is

25. What is SN2 mechanism?

Anil's father has three different wires which vary in lengths. J: 12 cm K: 2.8 m L: 203 mm Which of the following options shows the arrangement of the wires from the longest to the shortest?

If a force is applied at the hinge of a door instead of the handle, then

ntA: in the presence of air resistance, if the ball is thrown vertically upwards then time of ascent is less than the time of descentn ntR: Force due to air friction always acts opposite to the motion of the bodyn ntn ntexplain me alson

A particle is projected with some angle from theground. It has maximum range 40 m. The maximumheight achieved by particle is

Question 2 (a)In Activity 13.7, how do we think the displacement of rod AB will be affected if(i) current in rod AB is increased;

A fan starts running when we _______ the switch.

When ___ strikes at a piece of iron ore, a permanent magnet is formed.

Explain the meaning of the term, 'magnetic field'.

Why does light have a tremendous amount of energy irrespective of the fact that it is massless?E=mc2 seems to be violated

39.A small body slides down from a height h and passes into a circle of radius h/2 as shown. Friction is negligible. What is the velocity of the body at the h

42.When a magnet is kept in such a way that the south Pole of bar magnet is at the direction of geographic north then how many null points are present and where are they present

For the nuclear fusion reaction {}_1^2H+{}_1^3H→{}_2^4He+{}_0^1n temperature to which gases must be heated is 3.7x10^9K.Potential energy between two nuclei is closest to (Boltzmann's cons†an t k=1.38x10^9J/K) 1.)-10^{-10}J 2.)-10^{-12}J 3.)-10^{-14}J 4.)-10^{-13}J

Explain cardic circle with diagram?

Draw the symbols of the following electrical components:1. Electric cell2. Switch in ON position3. Electric bulb4. Battery

Explain with the help of examples : Muscular force, gravity, static electric force.

How to change light year into km?

How was the magnet discovered?

Why is it difficult to climb a circular staircase?

Which of the following quantities are required to define a force?

Why do bulbs have two terminals?

यासुकी-चान को अपने पेड़ पर चढ़ाने के लिए तोत्तो-चान ने अथक प्रयास क्यों किया? लिखिए।

Name the force that acts between charged particles.

The interaction between the Earth and the Moon which keeps the Moon revolving around the Earth is a:

Find the volume of a cuboidal container having dimensions 3m × 5m × 6m.

an astraunaut , while revolvingin a circular orbit happens to throw a spoon outside. will the spoon reach the surface of earth??ple explain in detail.

Figure shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once?(a) 0.1 m (b) 0.15 m(c) 0.2 m (d) 0.05 m

A student, while making a circuit to make a bulb glow using a dry cell, conected the plastic covering of the wire to the cell, instead of the metal wire inside it. Will current flow in the circuit? Why?

A quantity that can be measured is called a ______________ quantity.

if earth has two pole then why not all the metals are stuck at that two poles

In which of the following forms does an electric bulb convert electrical energy into?

A student had a ball, a screen and a torch in working condition. He tried to form a shadow of the ball on the screen by placing them at different positions. Sometimes the shadow was not obtained. Explain.

Question 9 Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?

A bulb is said to be fused when:

ASSERTION: Shake and light year both measures time. REASON: Both have dimention of time

Question 1When a body falls freely towards the earth, then its total energy(a) increases(b) decreases(c) remains constant(d) first increases and then decreases

A combination of all the forces acting on an object is called

How are the magnets kept safely ? What is the role of keepers in storing the magnets ?