3752 + Interview Questions in Physics Page 14 InterviewSolution

651.	How are we different?(a) Oscillatory motion and linear motion.(b) Linear motion and random motion.(c) Random motion and oscillatory motion.
Answer» How are we different? (a) Oscillatory motion and linear motion. (b) Linear motion and random motion. (c) Random motion and oscillatory motion.

Discussion

652.	The live load for a sloping roof with slope 20∘, where access is not provided to the roof, is taken as
Answer» The live load for a sloping roof with slope $20^{\circ}$ , where access is not provided to the roof, is taken as

Discussion

653.	Explain Faraday's discoveries.
Answer» Explain Faraday's discoveries.

Discussion

654.	A long horizontal wire, is rigidly fixed and carries 100A current. Another free wire of linear mass density 2×10^{-3}kg/m is placed below and parallel to the fixed wire. If the free wire is kept 2cm below & hangs in air, then current in free wire is?
Answer» A long horizontal wire, is rigidly fixed and carries 100A current. Another free wire of linear mass density 2×10^{-3}kg/m is placed below and parallel to the fixed wire. If the free wire is kept 2cm below & hangs in air, then current in free wire is?

Discussion

655.	Differece between cu t and multiload 375.
Answer» Differece between cu t and multiload 375.

Discussion

656.	लेखक जनता के मत-मतांतर छोड़कर आपसी प्रेम बढ़ाने का आग्रह क्यों करता है?
Answer» लेखक जनता के मत-मतांतर छोड़कर आपसी प्रेम बढ़ाने का आग्रह क्यों करता है?

Discussion

657.	What is a shadow?
Answer» What is a shadow?

Discussion

658.	29.a short bar magnet placedon table along north south line.its north pole is directed towards geographic north then location of neutral point is a.north b.east c.west d.south
Answer» 29.a short bar magnet placedon table along north south line.its north pole is directed towards geographic north then location of neutral point is a.north b.east c.west d.south

Discussion

659.	A force is said to be applied on a ball when it is ___.
Answer» A force is said to be applied on a ball when it is ___.

Discussion

660.	A particle moving in a straight line covers half of the total distance with a speed of 3 metre per second the other half of the distance is covered is into equal time intervals with a speed of 4.5 metre per second and 7.5 metre per second the average speed of the particle during this motion is
Answer» A particle moving in a straight line covers half of the total distance with a speed of 3 metre per second the other half of the distance is covered is into equal time intervals with a speed of 4.5 metre per second and 7.5 metre per second the average speed of the particle during this motion is

Discussion

661.	Llist 3 conditions for electric current to flow.
Answer» Llist 3 conditions for electric current to flow.

Discussion

662.	Pick out the one which is not a common part/element for generating electricity in thermal , hydro, wind and geothermal plants.
Answer» Pick out the one which is not a common part/element for generating electricity in thermal , hydro, wind and geothermal plants.

Discussion

663.	The S.I. unit of weight is _______.
Answer» The S.I. unit of weight is _______.

Discussion

664.	Question 25Suggest three measures to limit noise pollution in your locality.
Answer» Question 25 Suggest three measures to limit noise pollution in your locality.

Discussion

665.	14. is it possible to attain equilibrium of vapour - liquid water at constant pressure 1 ATM at any temperature other than 100^° C.? and similarly is it possible to attain solid- liquid (water) equilibrium At constant pressure 1 ATM at any temperature other than that of 0^° c?
Answer» 14. is it possible to attain equilibrium of vapour - liquid water at constant pressure 1 ATM at any temperature other than 100^° C.? and similarly is it possible to attain solid- liquid (water) equilibrium At constant pressure 1 ATM at any temperature other than that of 0^° c?

Discussion

666.	a drop of olive oil of radius 0.30 mm into a nearly circular film of radius 12 cm on the water surface. estimate the molecular size of olive oil.
Answer» a drop of olive oil of radius 0.30 mm into a nearly circular film of radius 12 cm on the water surface. estimate the molecular size of olive oil.

Discussion

667.	Is Venus a luminous or a non luminous object?
Answer» Is Venus a luminous or a non luminous object?

Discussion

668.	What is vernier scale ?
Answer» What is vernier scale ?

Discussion

669.	What is Z effective & how to calculate it? Explain.
Answer» What is Z effective & how to calculate it? Explain.

Discussion

670.	Time taken by the sunlight to pass a window of thickness 4mm whose refractive index is 1.5 is (assuming sunlight falls perpendicularly on the window) 1)2 multiplied by 10 to the power of minus 11s 2)2multiplied by 10 to the power of 11s 3)2multiplied by 10to the power of 8s 4)2 multiplied by 10 to the power of minus 8
Answer» Time taken by the sunlight to pass a window of thickness 4mm whose refractive index is 1.5 is (assuming sunlight falls perpendicularly on the window) 1)2 multiplied by 10 to the power of minus 11s 2)2multiplied by 10 to the power of 11s 3)2multiplied by 10to the power of 8s 4)2 multiplied by 10 to the power of minus 8

Discussion

671.	If least count of an instrument is taken as absolute error then the relative error in the measurement of { length 32.4cm by a metre scale is
Answer» If least count of an instrument is taken as absolute error then the relative error in the measurement of { length 32.4cm by a metre scale is

Discussion

672.	Which is the closest celestial body to the Earth?
Answer» Which is the closest celestial body to the Earth?

Discussion

673.	In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?
Answer» In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?

Discussion

674.	Cross product of two vectors is
Answer» Cross product of two vectors is

Discussion

675.	Which of the following type of lever is used in "working of nut cracker"?
Answer» Which of the following type of lever is used in "working of nut cracker"?

Discussion

676.	39. The angular speed of a fly-wheel making 120 rev/minute is 1. Pi rad/sec 2. 4pi rad/sec 3. 2pi rad/sec 4. None of these
Answer» 39. The angular speed of a fly-wheel making 120 rev/minute is 1. Pi rad/sec 2. 4pi rad/sec 3. 2pi rad/sec 4. None of these

Discussion

677.	State various eclipses and the conditions during that period.
Answer» State various eclipses and the conditions during that period.

Discussion

678.	What is cause of magnetism
Answer» What is cause of magnetism

Discussion

679.	Sonu wants to get a dress stitched. Which measuring instrument should the tailor use to take measurements?
Answer» Sonu wants to get a dress stitched. Which measuring instrument should the tailor use to take measurements?

Discussion

680.	Explain how an oar rowing a boat belongs to the lever of class 2nd?
Answer» Explain how an oar rowing a boat belongs to the lever of class 2nd?

Discussion

681.	Which of the following is incorrect?
Answer» Which of the following is incorrect?

Discussion

682.	A body which emits light by itself is called ___ .
Answer» A body which emits light by itself is called ___ .

Discussion

683.	Which among the following statement(s) is/are correct about new technologies in energy sector? Code:
Answer» Which among the following statement(s) is/are correct about new technologies in energy sector? Code:

683.

Which among the following statement(s) is/are correct about new technologies in energy sector? Code:

Answer»

Which among the following statement(s) is/are correct about new technologies in energy sector?

Code:

Discussion

684.	How will you make a toy using magnet? Mention the poperty/properties of magnet on which the toy is built. [4 MARKS]
Answer» How will you make a toy using magnet? Mention the poperty/properties of magnet on which the toy is built. [4 MARKS]

Discussion

685.	Why is it important to place a magnet keeper in a box along with magnets?
Answer» Why is it important to place a magnet keeper in a box along with magnets?

Discussion

686.	How could we find the direction of force if the direction of current is not perpendicular to the magnetic
Answer» How could we find the direction of force if the direction of current is not perpendicular to the magnetic

Discussion

687.	A motion that repeats itself after equal intervals of time is known as:
Answer» A motion that repeats itself after equal intervals of time is known as:

Discussion

688.	a constant force f= -i+2j+3k N is acting on a particle. What will be the total work done by this force first in moving the particle 4m along z axis ?
Answer» a constant force f= -i+2j+3k N is acting on a particle. What will be the total work done by this force first in moving the particle 4m along z axis ?

Discussion

689.	HOW THE STRENGTH OF ELECTRIC FIELD REMAINS SAME IN THE UNIFORM ELECTRIC FIELD LINES?
Answer» HOW THE STRENGTH OF ELECTRIC FIELD REMAINS SAME IN THE UNIFORM ELECTRIC FIELD LINES?

Discussion

690.	Give examples to show that friction is both a friend and a foe.
Answer» Give examples to show that friction is both a friend and a foe.

Discussion

691.	A meter stick weighing 100 g rests on a table witha part projecting over the edge. The length ofprojecting part, if a 5g body hung at the end justtilts this stick, is(1) 37.5 cm(2) 26.3 crm(4) 47.6 cnm(3) 40.2 cnm
Answer» A meter stick weighing 100 g rests on a table witha part projecting over the edge. The length ofprojecting part, if a 5g body hung at the end justtilts this stick, is(1) 37.5 cm(2) 26.3 crm(4) 47.6 cnm(3) 40.2 cnm

Discussion

692.	How are chargeable cells different from ordinary dry cells?
Answer» How are chargeable cells different from ordinary dry cells?

Discussion

693.	Question 3Which of the following statements are correct?(i) Sound is produced by vibrations. (ii) Sound requires a medium for propagation.(iii) Light and sound both require a medium for propagation. (iv) Sound travels slower than light.(a) i, ii and iv only(b) i and ii only(c) i, ii and iii only(d) ii, iii and iv only
Answer» Question 3 Which of the following statements are correct? (i) Sound is produced by vibrations. (ii) Sound requires a medium for propagation. (iii) Light and sound both require a medium for propagation. (iv) Sound travels slower than light. (a) i, ii and iv only (b) i and ii only (c) i, ii and iii only (d) ii, iii and iv only

Discussion

694.	Question 2 Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red-hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, Firefly, moon.
Answer» Question 2 Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red-hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, Firefly, moon.

694.

Question 2 Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red-hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, Firefly, moon.

Answer»

Question 2

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:

Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red-hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, Firefly, moon.

Discussion

695.	Why does a glass vessel break when it falls on a hard floor, but it does not6 break when it falls on a carpet?
Answer» Why does a glass vessel break when it falls on a hard floor, but it does not6 break when it falls on a carpet?

Discussion

696.	Which process should be used for separating iron nails from flour?
Answer» Which process should be used for separating iron nails from flour?

Discussion

697.	निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए − बादल किसकी तरह हो गए थे।
Answer» निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए − बादल किसकी तरह हो गए थे।

697.

निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए − बादल किसकी तरह हो गए थे।

Answer»

निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए −

बादल किसकी तरह हो गए थे।

Discussion

698.	If a source moves from point A to B, does the size and shape of the shadow change?
Answer» If a source moves from point A to B, does the size and shape of the shadow change?

Discussion

699.	What is a shadow? Give an example. [2 MARKS]
Answer» What is a shadow? Give an example. [2 MARKS]

Discussion

700.	Swetha tries to attract a pile of steel paper clips using a bar magnet. But there is a sheet of unknown substance between her magnet and the clips. Some possible substances are given for the sheet. Which of them will let her attract more pins and why? Clay Iron Paper Gold
Answer» Swetha tries to attract a pile of steel paper clips using a bar magnet. But there is a sheet of unknown substance between her magnet and the clips. Some possible substances are given for the sheet. Which of them will let her attract more pins and why? Clay Iron Paper Gold

Discussion

Explore topic-wise InterviewSolutions in .

How are we different?(a) Oscillatory motion and linear motion.(b) Linear motion and random motion.(c) Random motion and oscillatory motion.

The live load for a sloping roof with slope 20∘, where access is not provided to the roof, is taken as

Explain Faraday's discoveries.

A long horizontal wire, is rigidly fixed and carries 100A current. Another free wire of linear mass density 2×10^{-3}kg/m is placed below and parallel to the fixed wire. If the free wire is kept 2cm below & hangs in air, then current in free wire is?

Differece between cu t and multiload 375.

लेखक जनता के मत-मतांतर छोड़कर आपसी प्रेम बढ़ाने का आग्रह क्यों करता है?

What is a shadow?

29.a short bar magnet placedon table along north south line.its north pole is directed towards geographic north then location of neutral point is a.north b.east c.west d.south

A force is said to be applied on a ball when it is ___.

A particle moving in a straight line covers half of the total distance with a speed of 3 metre per second the other half of the distance is covered is into equal time intervals with a speed of 4.5 metre per second and 7.5 metre per second the average speed of the particle during this motion is

Llist 3 conditions for electric current to flow.

Pick out the one which is not a common part/element for generating electricity in thermal , hydro, wind and geothermal plants.

The S.I. unit of weight is _______.

Question 25Suggest three measures to limit noise pollution in your locality.

14. is it possible to attain equilibrium of vapour - liquid water at constant pressure 1 ATM at any temperature other than 100^° C.? and similarly is it possible to attain solid- liquid (water) equilibrium At constant pressure 1 ATM at any temperature other than that of 0^° c?

a drop of olive oil of radius 0.30 mm into a nearly circular film of radius 12 cm on the water surface. estimate the molecular size of olive oil.

Is Venus a luminous or a non luminous object?

What is vernier scale ?

What is Z effective & how to calculate it? Explain.

If least count of an instrument is taken as absolute error then the relative error in the measurement of { length 32.4cm by a metre scale is

Which is the closest celestial body to the Earth?

In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?

Cross product of two vectors is

Which of the following type of lever is used in "working of nut cracker"?

39. The angular speed of a fly-wheel making 120 rev/minute is 1. Pi rad/sec 2. 4pi rad/sec 3. 2pi rad/sec 4. None of these

State various eclipses and the conditions during that period.

What is cause of magnetism

Sonu wants to get a dress stitched. Which measuring instrument should the tailor use to take measurements?

Explain how an oar rowing a boat belongs to the lever of class 2nd?

Which of the following is incorrect?

A body which emits light by itself is called ___ .

Which among the following statement(s) is/are correct about new technologies in energy sector? Code:

How will you make a toy using magnet? Mention the poperty/properties of magnet on which the toy is built. [4 MARKS]

Why is it important to place a magnet keeper in a box along with magnets?

How could we find the direction of force if the direction of current is not perpendicular to the magnetic

A motion that repeats itself after equal intervals of time is known as:

a constant force f= -i+2j+3k N is acting on a particle. What will be the total work done by this force first in moving the particle 4m along z axis ?

HOW THE STRENGTH OF ELECTRIC FIELD REMAINS SAME IN THE UNIFORM ELECTRIC FIELD LINES?

Give examples to show that friction is both a friend and a foe.

A meter stick weighing 100 g rests on a table witha part projecting over the edge. The length ofprojecting part, if a 5g body hung at the end justtilts this stick, is(1) 37.5 cm(2) 26.3 crm(4) 47.6 cnm(3) 40.2 cnm

How are chargeable cells different from ordinary dry cells?

Why does a glass vessel break when it falls on a hard floor, but it does not6 break when it falls on a carpet?

Which process should be used for separating iron nails from flour?

निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए − बादल किसकी तरह हो गए थे।

If a source moves from point A to B, does the size and shape of the shadow change?

What is a shadow? Give an example. [2 MARKS]

Swetha tries to attract a pile of steel paper clips using a bar magnet. But there is a sheet of unknown substance between her magnet and the clips. Some possible substances are given for the sheet. Which of them will let her attract more pins and why? Clay Iron Paper Gold