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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.
| 2051. |
3.Five balls marked a to e are suspended using separate threads. Pairs (b, c) and (d, e) showelectrostatic repulsion while pairs (a, b), (c, e) and (a, e) show electrostatic attraction. Whatis nature of charge of ball a? |
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Answer» 3. Five balls marked a to e are suspended using separate threads. Pairs (b, c) and (d, e) show electrostatic repulsion while pairs (a, b), (c, e) and (a, e) show electrostatic attraction. What is nature of charge of ball a? |
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| 2052. |
Why don't we measure all lengths in just one standard unit of length such as the metre, instead of having multiples and submultiples? |
| Answer» Why don't we measure all lengths in just one standard unit of length such as the metre, instead of having multiples and submultiples? | |
| 2053. |
The force experienced by each pole of a magnet kept in the magnetizing field of strength 30N/weber is 61000. Then magnetic moment of the magnet of length 10 cm. |
| Answer» The force experienced by each pole of a magnet kept in the magnetizing field of strength 30N/weber is 61000. Then magnetic moment of the magnet of length 10 cm. | |
| 2054. |
a stone falls freely such that the dis†an ce covered by it in the last second of its motion is equals to the dis†an ce covered by it in first 5 sec it remain in air fo |
| Answer» a stone falls freely such that the dis†an ce covered by it in the last second of its motion is equals to the dis†an ce covered by it in first 5 sec it remain in air fo | |
| 2055. |
Give reasons:A gas can fill the whole vessel in which it is enclosed. |
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Answer» Give reasons: A gas can fill the whole vessel in which it is enclosed. |
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| 2056. |
What is a parallax error? |
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Answer» What is a parallax error? |
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| 2057. |
In which case can we use magnetic separation? |
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Answer» In which case can we use magnetic separation? |
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| 2058. |
Temporary magnets retain their magnetism for a long time. |
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Answer» Temporary magnets retain their magnetism for a long time. |
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| 2059. |
if force is on 60 degree angle and displacement is horizontal then what will be the work done by body ? |
| Answer» if force is on 60 degree angle and displacement is horizontal then what will be the work done by body ? | |
| 2060. |
Which of the following object is in motion with respect to you if you are sitting in a moving train? |
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Answer» Which of the following object is in motion with respect to you if you are sitting in a moving train? |
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| 2061. |
A bare wire carrying an electric current can give you an electric shock. Based on this, can you say if your body is a conductor or an insulator? |
| Answer» A bare wire carrying an electric current can give you an electric shock. Based on this, can you say if your body is a conductor or an insulator? | |
| 2062. |
What is conventional electricity |
| Answer» What is conventional electricity | |
| 2063. |
Select the correct alternative: (a) The inter-molecular force is maximum in : (i) solids (ii) gases (iii) liquids (iv) none of the above. (b) The inter-molecular space is maximum in : (i) liquids (ii) solids (iii) gases (iv) none of the above. (c) The molecules can move freely anywhere in : (i) gases (ii) liquids (iii) solids (iv) none of the above (d) The molecules move only within the boundary of : (i) liquids (ii) gases (iii) solids (iv) none of the above (e) The temperature at which a liquid gets converted into its vapour state is called its : (i) melting point (ii) boiling point (iii) dew point (iv) freezing point (f) Rapid conversion of water into steam is are an example of: (i) evaporation (ii) freezing (ii) melting (iv) vaporization (g) Evaporation takes place from the : (i) surface of liquid (ii) throughout the liquid (iii) mid-portion of the liquid (iv) bottom of the liquid (h) Boiling takes place from: (i) the surface of the liquid (ii) throughout the liquid (iii) mid-portion of liquid (iv) none of the above |
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Answer» Select the correct alternative: (a) The inter-molecular force is maximum in : (i) solids (ii) gases (iii) liquids (iv) none of the above. (b) The inter-molecular space is maximum in : (i) liquids (ii) solids (iii) gases (iv) none of the above. (c) The molecules can move freely anywhere in : (i) gases (ii) liquids (iii) solids (iv) none of the above (d) The molecules move only within the boundary of : (i) liquids (ii) gases (iii) solids (iv) none of the above (e) The temperature at which a liquid gets converted into its vapour state is called its : (i) melting point (ii) boiling point (iii) dew point (iv) freezing point (f) Rapid conversion of water into steam is are an example of: (i) evaporation (ii) freezing (ii) melting (iv) vaporization (g) Evaporation takes place from the : (i) surface of liquid (ii) throughout the liquid (iii) mid-portion of the liquid (iv) bottom of the liquid (h) Boiling takes place from: (i) the surface of the liquid (ii) throughout the liquid (iii) mid-portion of liquid (iv) none of the above |
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| 2064. |
why do fish3w ll no5 cast shadow in water |
| Answer» why do fish3w ll no5 cast shadow in water | |
| 2065. |
27. Find the magnetic field at point p |
| Answer» 27. Find the magnetic field at point p | |
| 2066. |
How do people go from one platform to another at a railway station? |
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Answer» How do people go from one platform to another at a railway station? |
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| 2067. |
निम्नलिखित का आशय स्पष्ट कीजिए −शेख अयाज़ के पिता बोले, 'नहीं, यह बात नहीं हैं। मैंने एक घर वाले को बेघर कर दिया है। उस बेघर को कुएँ पर उसके घर छोड़ने जा रहा हूँ।' इन पंक्तियों में छिपी हुई उनकी भावना को स्पष्ट कीजिए। |
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Answer» निम्नलिखित का आशय स्पष्ट कीजिए − शेख अयाज़ के पिता बोले, 'नहीं, यह बात नहीं हैं। मैंने एक घर वाले को बेघर कर दिया है। उस बेघर को कुएँ पर उसके घर छोड़ने जा रहा हूँ।' इन पंक्तियों में छिपी हुई उनकी भावना को स्पष्ट कीजिए। |
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| 2068. |
what will be the magnetic field at the centre of a n sided regular polygon, if centre to vertex dis†an ce is a and the current is i? also find the limiting value of magnetic field as n approaches to a larege valu |
| Answer» what will be the magnetic field at the centre of a n sided regular polygon, if centre to vertex dis†an ce is a and the current is i? also find the limiting value of magnetic field as n approaches to a larege valu | |
| 2069. |
The displacement-time graph for a body with non-uniform motion is a _____. |
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Answer» The displacement-time graph for a body with non-uniform motion is a _____. |
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| 2070. |
Which of the following graphs represents an object moving with uniform speed? |
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Answer» Which of the following graphs represents an object moving with uniform speed? |
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| 2071. |
A dipole of dipole moment \overrightarrow P is placed in uniform elecric field \overrightarrow E, then torque acting on its is given by |
| Answer» A dipole of dipole moment \overrightarrow P is placed in uniform elecric field \overrightarrow E, then torque acting on its is given by | |
| 2072. |
Depending on the state of rest or motion, choose the odd one out. |
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Answer» Depending on the state of rest or motion, choose the odd one out. |
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| 2073. |
We take a one-meter rod and mark 4 points on it such that each segment is of equal length. If we take OA to be X units, then X units is equal to: |
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Answer» We take a one-meter rod and mark 4 points on it such that each segment is of equal length. If we take OA to be X units, then X units is equal to: |
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| 2074. |
Explain how to find the path difference in wavelets formed during diffraction.(Explain with triangle diagram). |
| Answer» Explain how to find the path difference in wavelets formed during diffraction.(Explain with triangle diagram). | |
| 2075. |
Question 18Why do we apply paint on iron articles? |
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Answer» Question 18 Why do we apply paint on iron articles? |
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| 2076. |
A coil of area A is rotating anti clockwise about z axis with frequency w/2. Initially the coil is in yz plane. If a magnetic field B=bocoswt icap + bosinwt j cap +alphat kcap exists in the region,then magnitude of emf induced in coil at time t is given by? |
| Answer» A coil of area A is rotating anti clockwise about z axis with frequency w/2. Initially the coil is in yz plane. If a magnetic field B=bocoswt icap + bosinwt j cap +alphat kcap exists in the region,then magnitude of emf induced in coil at time t is given by? | |
| 2077. |
Bar magnets should be stored |
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Answer» Bar magnets should be stored |
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| 2078. |
An electric cell makes current in a circuit flow from the ___________ terminal to the _______________ terminal. |
| Answer» An electric cell makes current in a circuit flow from the ___________ terminal to the _______________ terminal. | |
| 2079. |
23.A string is rigidly tied at two ends and it's equation of vibration is given by y=cos2pitsin2pix . Then minimum length of string is?? |
| Answer» 23.A string is rigidly tied at two ends and it's equation of vibration is given by y=cos2pitsin2pix . Then minimum length of string is?? | |
| 2080. |
Is the human body transparent/translucent/opaque? |
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Answer» Is the human body transparent/translucent/opaque? |
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| 2081. |
what is umbra |
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Answer» what is umbra |
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| 2082. |
A drum vibrates with a lower frequency as compared to a whistle. Then, we can say that: |
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Answer» A drum vibrates with a lower frequency as compared to a whistle. Then, we can say that: |
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| 2083. |
Question 2(b) In Activity 13.7, how do we think the displacement of rod AB will be affected if(ii) a stronger horse-shoe magnet is used |
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Answer» Question 2(b) |
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| 2084. |
A pulley system has 5 pulleys in all and is 90% efficient. If the effort required to lift a load is 1000 N, find the resistance due to the movable parts of machine and friction. |
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Answer» A pulley system has 5 pulleys in all and is 90% efficient. If the effort required to lift a load is 1000 N, find the resistance due to the movable parts of machine and friction. |
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| 2085. |
Find the effective resistance in the following circuit. |
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Answer» Find the effective resistance in the following circuit. |
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| 2086. |
Gaileo was punished by the Church for teaching that the sun is stationary and the earth moves around it. His opponents held the view that the earth is stationary and the sun moves around it. If the absolute motion has no meaning, are the two viewpoints not equally correct or equally wrong |
| Answer» Gaileo was punished by the Church for teaching that the sun is stationary and the earth moves around it. His opponents held the view that the earth is stationary and the sun moves around it. If the absolute motion has no meaning, are the two viewpoints not equally correct or equally wrong | |
| 2087. |
Describe the construction and working of an electric bell with the help of a diagram. |
| Answer» Describe the construction and working of an electric bell with the help of a diagram. | |
| 2088. |
Why the term absolute rest is not valid |
| Answer» Why the term absolute rest is not valid | |
| 2089. |
what is viscous and viscous force? |
| Answer» what is viscous and viscous force? | |
| 2090. |
Can a distance be a displacement or a displacement be a distance |
| Answer» Can a distance be a displacement or a displacement be a distance | |
| 2091. |
38. What Is Wavy Curve Method? |
| Answer» 38. What Is Wavy Curve Method? | |
| 2092. |
Among the given points, magnetic field is maximum at : |
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Answer» Among the given points, magnetic field is maximum at : |
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| 2093. |
In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.(a) Squeezing a piece of lemon between the fingers to extract its juice.(b) Taking out paste from a toothpaste tube.(c) A load suspended from a spring while its other end is on a hook fixed to a wall.(d) An athlete making a high jump to clear the bar at a certain height. |
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Answer» In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case. (a) Squeezing a piece of lemon between the fingers to extract its juice. (b) Taking out paste from a toothpaste tube. (c) A load suspended from a spring while its other end is on a hook fixed to a wall. (d) An athlete making a high jump to clear the bar at a certain height. |
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| 2094. |
What is the force that acts between charged particles that are at rest? |
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Answer» What is the force that acts between charged particles that are at rest? |
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| 2095. |
Calculate the energy in joule corresponding to lightof wavelength 45 nm: (Planck's constanth 6.63 x 10-34 Js; speed of light c 3x10 ms-)\lbrack AIPMT-2014\rbrack(1) 6.67 x 1015(3) 4.42 x 10-15(2) 6.67 x 10(4) 4.42 x 10-18 |
| Answer» Calculate the energy in joule corresponding to lightof wavelength 45 nm: (Planck's constanth 6.63 x 10-34 Js; speed of light c 3x10 ms-)\lbrack AIPMT-2014\rbrack(1) 6.67 x 1015(3) 4.42 x 10-15(2) 6.67 x 10(4) 4.42 x 10-18 | |
| 2096. |
THE LINEAR SPEED OF THE SEC HAND OF A CLOCK IS 1 CM/S.WHAT IS THE LENGTH OF THE SECOND HAND IS NEARLY. |
| Answer» THE LINEAR SPEED OF THE SEC HAND OF A CLOCK IS 1 CM/S.WHAT IS THE LENGTH OF THE SECOND HAND IS NEARLY. | |
| 2097. |
The nearest planet to the Sun is |
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Answer» The nearest planet to the Sun is |
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| 2098. |
A boy holding a cricket bat is exerting no force. State true or false and pls explain |
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Answer» A boy holding a cricket bat is exerting no force. State true or false and pls explain |
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| 2099. |
Which of these appliances in your house is not run by electricity?(a) geyser(b) gas burner(c) air conditioner(d) music system |
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Answer» Which of these appliances in your house is not run by electricity? (a) geyser (b) gas burner (c) air conditioner (d) music system |
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| 2100. |
movement of hands of a clock and spooning top is which kind of motion |
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Answer» movement of hands of a clock and spooning top is which kind of motion |
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