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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.
| 1101. |
write the order of melting and boiling point in 1_ NaCl MgCl AlCl3 2_NaF MgF AlF3 |
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Answer» write the order of melting and boiling point in 1_ NaCl MgCl AlCl3 2_NaF MgF AlF3 |
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| 1102. |
A man intakes glucose and then moves a block. The block comes to rest after sliding on a rough floor. The correct order of energy transformation is: |
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Answer» A man intakes glucose and then moves a block. The block comes to rest after sliding on a rough floor. The correct order of energy transformation is: |
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| 1103. |
During boiling of water, why thermometer does not show any rise in temperature after reaching 100 degree Celsius mark even after heat is provided? |
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Answer» During boiling of water, why thermometer does not show any rise in temperature after reaching 100 degree Celsius mark even after heat is provided? |
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| 1104. |
why sun appear 2 min. before we see it |
| Answer» why sun appear 2 min. before we see it | |
| 1105. |
Question 5 (e)Are there nine planets in the solar system? Justify! |
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Answer» Question 5 (e) Are there nine planets in the solar system? Justify! |
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| 1106. |
The velocity of light in glass whose refractive index with respect to air is 1.5, is 2×108 m s−1, and in a certain liquid, the velocity of light is found to be 2.5×108 m s−1. Find the refractive index of the liquid with respect to air. |
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Answer» The velocity of light in glass whose refractive index with respect to air is 1.5, is 2×108 m s−1, and in a certain liquid, the velocity of light is found to be 2.5×108 m s−1. Find the refractive index of the liquid with respect to air. |
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| 1107. |
Graphite powder is used in machines to |
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Answer» Graphite powder is used in machines to |
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| 1108. |
A 50 ml sample of gas is collected over waterwhat will be the effect on the calculated molarmass of the gas if the effect of the water vapour isignored It will bes.1) High bpecause of the mass of the water in thecollection flask(2) High because of omitting the vapour pressureof the water in the calculation(3) Low because of the mass of water in thecollection flaskion(4) Low because of omitting the vapour pressureof the water in the calculation |
| Answer» A 50 ml sample of gas is collected over waterwhat will be the effect on the calculated molarmass of the gas if the effect of the water vapour isignored It will bes.1) High bpecause of the mass of the water in thecollection flask(2) High because of omitting the vapour pressureof the water in the calculation(3) Low because of the mass of water in thecollection flaskion(4) Low because of omitting the vapour pressureof the water in the calculation | |
| 1109. |
Charge of an electron is 0.00000000000000000016 coulomb. Find the charge of 5 electrons in standard form. |
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Answer» Charge of an electron is 0.00000000000000000016 coulomb. Find the charge of 5 electrons in standard form. |
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| 1110. |
When a beam of light is incident on a plane mirrorit is found that a real image is formed. The incidentbeam must be(1) Converging(2) Diverging(3) Parallel(4) Formation of real image by a plane mirror isimpossible |
| Answer» When a beam of light is incident on a plane mirrorit is found that a real image is formed. The incidentbeam must be(1) Converging(2) Diverging(3) Parallel(4) Formation of real image by a plane mirror isimpossible | |
| 1111. |
What is the unit of the quantity that measures how loud or soft a sound is? |
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Answer» What is the unit of the quantity that measures how loud or soft a sound is? |
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| 1112. |
The place inside the earth's crust where the erthquake is generated is called: (a) seismic zone of the earth (b) epicentre of the earthquake (c) fault zone of the earth (d) focus of the earthquake |
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Answer» The place inside the earth's crust where the erthquake is generated is called: (a) seismic zone of the earth (b) epicentre of the earthquake (c) fault zone of the earth (d) focus of the earthquake |
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| 1113. |
If an object is placed between two parallel mirrors, then the number of images formed will be: |
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Answer» If an object is placed between two parallel mirrors, then the number of images formed will be: |
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| 1114. |
the ratio between H2 and O in water i |
| Answer» the ratio between H2 and O in water i | |
| 1115. |
What do you understand by the statement that a star is 8 light years away from the Earth? |
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Answer» What do you understand by the statement that a star is 8 light years away from the Earth? |
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| 1116. |
You must have seen the detectives looking for clues using a round glass in the hand on Television or in the story book or even in the detective novels. The object seems larger when he looks through that glass. But any kind of glass can't do that. That glass is commonly called as: |
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Answer» You must have seen the detectives looking for clues using a round glass in the hand on Television or in the story book or even in the detective novels. The object seems larger when he looks through that glass. But any kind of glass can't do that. That glass is commonly called as: |
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| 1117. |
Which amongst the following are the effects caused by an earthquake? |
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Answer» Which amongst the following are the effects caused by an earthquake? |
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| 1118. |
Which of the following is the correct order of layers from the outermost surface of the Earth to its centre? |
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Answer» Which of the following is the correct order of layers from the outermost surface of the Earth to its centre? |
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| 1119. |
What is meant by 'celestial objects'? Name any of the celestial objects. |
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Answer» What is meant by 'celestial objects'? Name any of the celestial objects. |
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| 1120. |
Question 21Two thermocol balls held close to each other move away from each other, when they are released. Name the force which might be responsible for this phenomenon. Explain. |
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Answer» Question 21 |
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| 1121. |
What are 2 possible of an earthquake at the converging plate boundary ? |
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Answer» What are 2 possible of an earthquake at the converging plate boundary ? |
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| 1122. |
6. Number of moles of KMnO4 reduced by 1 mole of KI in alkaline medium |
| Answer» 6. Number of moles of KMnO4 reduced by 1 mole of KI in alkaline medium | |
| 1123. |
Is an integer? Justify your answer. |
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Answer» Is |
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| 1124. |
Why the effective resistance is less than the resistance of each resistor in parallel combination? |
| Answer» Why the effective resistance is less than the resistance of each resistor in parallel combination? | |
| 1125. |
Which object has more inertia and why? A car or a ship. |
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Answer» Which object has more inertia and why? A car or a ship. |
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| 1126. |
Which of the following relations represent the ohm's law? |
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Answer» Which of the following relations represent the ohm's law? |
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| 1127. |
prove that the minimum size of a plane mirror fixed on the wall of a room in which the observer at the center of a room can see the full image of wall behind him,is one third the height of the wall |
| Answer» prove that the minimum size of a plane mirror fixed on the wall of a room in which the observer at the center of a room can see the full image of wall behind him,is one third the height of the wall | |
| 1128. |
Question 5 A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid A while it glows very dimly for liquid B. You would conclude that (i) liquid A is a better conductor than liquid B. (ii) liquid B is a better conductor than liquid A. (iii) both liquids are equally conducting. (iv) conducting properties of liquid cannot be compared in this manner. |
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Answer» Question 5 |
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| 1129. |
Static friction between two surfaces Options Should have chosen 1Prevents the relative motion between them 2' Opposite to the direction of motion of them 3 Acts in opposite direction of applied force 4 Wrong Both (1) & (2) |
| Answer» Static friction between two surfaces Options Should have chosen 1Prevents the relative motion between them 2' Opposite to the direction of motion of them 3 Acts in opposite direction of applied force 4 Wrong Both (1) & (2) | |
| 1130. |
Find the kinetic energy of a ball of mass 500 gram moving with a velocity of 8 m/s |
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Answer» Find the kinetic energy of a ball of mass 500 gram moving with a velocity of 8 m/s |
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| 1131. |
On December 2006, a great earthquake occurred off the coast of Sumatra and triggered immense waves (Tsunami) that killed some 200,000 people. Satellites observing these waves from space measured 800 km from one wave crest to the next and a period between waves of 1 hr. what was the speed of the wave? |
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Answer» On December 2006, a great earthquake occurred off the coast of Sumatra and triggered immense waves (Tsunami) that killed some 200,000 people. Satellites observing these waves from space measured 800 km from one wave crest to the next and a period between waves of 1 hr. what was the speed of the wave? |
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| 1132. |
Why do unpaired electrons of molecular orbital exhibit paramagnetic nature and paired electrons exhibit diamagnetic nature? |
| Answer» Why do unpaired electrons of molecular orbital exhibit paramagnetic nature and paired electrons exhibit diamagnetic nature? | |
| 1133. |
1) Define pitch. 2)Differentiate between audible and inaudible sound |
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Answer» 1) Define pitch. 2)Differentiate between audible and inaudible sound |
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| 1134. |
A balloon inflates when air is pumped into it. Which of the following conclusions can be derived from this? |
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Answer» A balloon inflates when air is pumped into it. Which of the following conclusions can be derived from this? |
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| 1135. |
State the direction of convectional currents and electronic currents, stating which end of the conductor is at high potential. |
| Answer» State the direction of convectional currents and electronic currents, stating which end of the conductor is at high potential. | |
| 1136. |
draw a graph between maximum safe speed(v without friction and \sqrt{†anθ |
| Answer» draw a graph between maximum safe speed(v without friction and \sqrt{†anθ | |
| 1137. |
76.A rectangular bar of soap has density 800 kg/m3 floats in water of density 1000 kg/m3. Bath oil of density 300 kg/m3 is slowly added, forming a layer that does not mix with the water. When the top surface of the oil is at the same level as the top surface of the soap, what is the ratio of the oil layer thickness to the soap's thickness, x/L? |
| Answer» 76.A rectangular bar of soap has density 800 kg/m3 floats in water of density 1000 kg/m3. Bath oil of density 300 kg/m3 is slowly added, forming a layer that does not mix with the water. When the top surface of the oil is at the same level as the top surface of the soap, what is the ratio of the oil layer thickness to the soap's thickness, x/L? | |
| 1138. |
The Unit of Frequency Is __________ |
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Answer» The Unit of Frequency Is __________ |
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| 1139. |
Ahydraulic automobile lift is designed to lift cars with a maximummass of 3000 kg. The area of cross-section of the piston carrying theload is 425 cm2.What maximum pressure would the smaller piston have to bear? |
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Answer» A |
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| 1140. |
A roar of a lion is: |
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Answer» A roar of a lion is: |
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| 1141. |
A ray of light AM is incident on a spherical mirror as shown in the diagram.Redraw the diagram on the answer sheet and show the path of the reflected ray. Also, indicate and mark the angle of reflection in the diagram. |
Answer» A ray of light AM is incident on a spherical mirror as shown in the diagram. Redraw the diagram on the answer sheet and show the path of the reflected ray. Also, indicate and mark the angle of reflection in the diagram. |
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| 1142. |
Which of the following is false about ECG? |
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Answer» Which of the following is false about ECG? |
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| 1143. |
1. Four identical capacitors are connected in series with 10V battery as shown.The point N is earthed.What is the potential of point A and B? |
| Answer» 1. Four identical capacitors are connected in series with 10V battery as shown.The point N is earthed.What is the potential of point A and B? | |
| 1144. |
46. What is the mathematical proof to show current is scalar quantity not vector? |
| Answer» 46. What is the mathematical proof to show current is scalar quantity not vector? | |
| 1145. |
In the experiment of Benjamin Franklin why the charge on an ebonite rod has been taken as negative though both the glass rod and ebonite rod have been rubbed . |
| Answer» In the experiment of Benjamin Franklin why the charge on an ebonite rod has been taken as negative though both the glass rod and ebonite rod have been rubbed . | |
| 1146. |
Answer the following questions. (a) Classify the following substances as magnetic or non-magnetic. copper, phosphorus, iron, cobalt, soil, water, silver mercury, nickel, wood, oil. (b) In olden times, how as a magnet placed in a compass? |
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Answer» Answer the following questions. (a) Classify the following substances as magnetic or non-magnetic. copper, phosphorus, iron, cobalt, soil, water, silver mercury, nickel, wood, oil. (b) In olden times, how as a magnet placed in a compass? |
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| 1147. |
If two horse-shoe magnets of equal strengths are connected as shown in the figure then where will be the new magnetic north pole? |
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Answer»
If two horse-shoe magnets of equal strengths are connected as shown in the figure then where will be the new magnetic north pole? |
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| 1148. |
The ratio of kinetic energy to the potential energy of a particle executing SHM at a distance equal to half its amplitude, the distance being measured from its equilibrium position is |
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Answer» The ratio of kinetic energy to the potential energy of a particle executing SHM at a distance equal to half its amplitude, the distance being measured from its equilibrium position is |
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| 1149. |
Two forces act on the object in the same direction, and then in opposite directions. What will be the net force on the object in each of the two cases? |
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Answer» Two forces act on the object in the same direction, and then in opposite directions. What will be the net force on the object in each of the two cases? |
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| 1150. |
With which of the following speeds should an object move through a fluid so as to experience minimum drag? 6m/s 4m/s 8m/s 9m/s |
| Answer» With which of the following speeds should an object move through a fluid so as to experience minimum drag? 6m/s 4m/s 8m/s 9m/s | |
an integer? Justify your answer.