InterviewSolution
Saved Bookmarks
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. |
Calculate the total no. of charge in 3Cr2o7(-2) |
| Answer» Calculate the total no. of charge in 3Cr2o7(-2) | |
| 1102. |
A point moves in a straight line so that its displacement x in time t is given by x^2=1+t^2. I ts acceleration in ms^{-2} at time t is |
| Answer» A point moves in a straight line so that its displacement x in time t is given by x^2=1+t^2. I ts acceleration in ms^{-2} at time t is | |
| 1103. |
14.A cylinder rolls up an inclined plane , reaches some height and then rolls down (without slipping throughout these motions) . The directions of frictional force acting on cylinder are ? |
| Answer» 14.A cylinder rolls up an inclined plane , reaches some height and then rolls down (without slipping throughout these motions) . The directions of frictional force acting on cylinder are ? | |
| 1104. |
How high temperature is achieved in solar cooker by the use of mirrors? |
|
Answer» How high temperature is achieved in solar cooker by the use of mirrors? |
|
| 1105. |
If you are asked to prepare the weather report of a day, which of the following parameter would you not use to prepare the weather report? |
|
Answer» If you are asked to prepare the weather report of a day, which of the following parameter would you not use to prepare the weather report? |
|
| 1106. |
Write any two properties of a magnet. |
|
Answer» Write any two properties of a magnet. |
|
| 1107. |
Question 9Why is a layer of zinc coated over iron? |
|
Answer» Question 9 Why is a layer of zinc coated over iron? |
|
| 1108. |
In placesof hot climate it is advised that the outer walls of houses bepainted white. Explain. |
|
Answer» In places |
|
| 1109. |
Explain the situation when does the repulsion occur two charges |
| Answer» Explain the situation when does the repulsion occur two charges | |
| 1110. |
On the Fahrenheit scale, the temperature rise of nine degree is equivalent to how much degree rise in Celsius scale? |
| Answer» On the Fahrenheit scale, the temperature rise of nine degree is equivalent to how much degree rise in Celsius scale? | |
| 1111. |
For a plane mirror, radius of curvature 'R is { (1) R=0{ (3) R=100cm |
| Answer» For a plane mirror, radius of curvature 'R is { (1) R=0{ (3) R=100cm | |
| 1112. |
For a carnot engine operating between 27°c and 327°c. i) Calculate heat rejected for each joule of work done. ii) Also calculate change in temperature of source to reduce the efficiency by 20%. |
| Answer» For a carnot engine operating between 27°c and 327°c. i) Calculate heat rejected for each joule of work done. ii) Also calculate change in temperature of source to reduce the efficiency by 20%. | |
| 1113. |
Why and how hiccups arise.is it necessary for us,if yes then how and why it's necessary to us. |
|
Answer» Why and how hiccups arise.is it necessary for us,if yes then how and why it's necessary to us. |
|
| 1114. |
an aeroplane is flying horizontally with a speed of 360 km/h .the dia†an ce betweeen the tips of the wings of aeroplane is 25m .the vertical component of earths magnetic field is 4×10^-4 wb/m2 .the induced emf is |
| Answer» an aeroplane is flying horizontally with a speed of 360 km/h .the dia†an ce betweeen the tips of the wings of aeroplane is 25m .the vertical component of earths magnetic field is 4×10^-4 wb/m2 .the induced emf is | |
| 1115. |
An electric circuit is ___. |
|
Answer» An electric circuit is |
|
| 1116. |
Potential energy of an ideal spring, when stretchedby 1 cm is U. Spring is now cut in two equal partsand connected in parallel. If the new combination ofspring is compressed by 2 cm, then potential energystored is |
| Answer» Potential energy of an ideal spring, when stretchedby 1 cm is U. Spring is now cut in two equal partsand connected in parallel. If the new combination ofspring is compressed by 2 cm, then potential energystored is | |
| 1117. |
Identify the magnetic part of the circuit: |
|
Answer» Identify the magnetic part of the circuit: |
|
| 1118. |
A rolling football will undergo: |
|
Answer» A rolling football will undergo: |
|
| 1119. |
if a car travel one forth of a distance at a speed of 10m/s and the remaining distance at a speed of 15m/s, what is the average speed of the car? |
| Answer» if a car travel one forth of a distance at a speed of 10m/s and the remaining distance at a speed of 15m/s, what is the average speed of the car? | |
| 1120. |
A red Rose when seen in green light appears black . Give reason |
|
Answer» A red Rose when seen in green light appears black . Give reason |
|
| 1121. |
Suman has been trying hard to push a wall but is unable to do so. Is he doing any work? |
|
Answer» Suman has been trying hard to push a wall but is unable to do so. Is he doing any work? |
|
| 1122. |
Which of the following is/are the unit(s) of density? |
|
Answer» Which of the following is/are the unit(s) of density? |
|
| 1123. |
When light travels through a circular hole you get a circular spot of light on a wall on the other side. What can you infer from this? |
|
Answer» When light travels through a circular hole you get a circular spot of light on a wall on the other side. What can you infer from this? |
|
| 1124. |
If thermal conductivity of rod is 4, then its thermalresistivity will be(1) 0.25(2) 1.0(3) 4.0(4) 16.0 |
| Answer» If thermal conductivity of rod is 4, then its thermalresistivity will be(1) 0.25(2) 1.0(3) 4.0(4) 16.0 | |
| 1125. |
Question 10500 persons are taking a dip into a cuboidal pond which is 80 m long and 50 m broad. What is the rise of water level in the pond, if the average displacement of the water by a person is 0.04 m3 ? |
|
Answer» Question 10 500 persons are taking a dip into a cuboidal pond which is 80 m long and 50 m broad. What is the rise of water level in the pond, if the average displacement of the water by a person is 0.04 m3 ? |
|
| 1126. |
If you know that the current is in a particular direction, then can you say all the 'balls' are going only in that direction at any point of time? |
|
Answer» If you know that the current is in a particular direction, then can you say all the 'balls' are going only in that direction at any point of time? |
|
| 1127. |
Why does planets rotate on its axis |
| Answer» Why does planets rotate on its axis | |
| 1128. |
When the bob of the pendulum is released after taking it slightly to one side, it: |
|
Answer» When the bob of the pendulum is released after taking it slightly to one side, it: |
|
| 1129. |
cross product of î and î is null vector. can null vector have direction perpendicular to î? as resul†an t of cross product is perpendicular to the vectors involved. |
| Answer» cross product of î and î is null vector. can null vector have direction perpendicular to î? as resul†an t of cross product is perpendicular to the vectors involved. | |
| 1130. |
What is the smallest amount of charge present on a body? |
| Answer» What is the smallest amount of charge present on a body? | |
| 1131. |
The volume of oxygen gas liberated at STP is 250 mL from complete decomposition of 10 mL of H2O2 solution. Volume strength of H2O2 solution is |
| Answer» The volume of oxygen gas liberated at STP is 250 mL from complete decomposition of 10 mL of H2O2 solution. Volume strength of H2O2 solution is | |
| 1132. |
What is coefficient of viscosity |
| Answer» What is coefficient of viscosity | |
| 1133. |
The displacement x of a particle of mass m moving in one dimension under the action of a force is related to time by t = x^1/2 + 3 . The displacement of the particle when its velocity is zero will be |
| Answer» The displacement x of a particle of mass m moving in one dimension under the action of a force is related to time by t = x^1/2 + 3 . The displacement of the particle when its velocity is zero will be | |
| 1134. |
An open vessel containing air is heated from 27C to 127C ,the fraction of air originally present which goes out of it is?? |
| Answer» An open vessel containing air is heated from 27C to 127C ,the fraction of air originally present which goes out of it is?? | |
| 1135. |
The volumes of two cylinders are a : b and their heights are c :d. The ratio of their diameters . |
|
Answer» The volumes of two cylinders are a : b and their heights are c :d. The ratio of their diameters |
|
| 1136. |
can balanced forces bring about a change in the shape of an object? |
| Answer» can balanced forces bring about a change in the shape of an object? | |
| 1137. |
Question 3 (e) State whether the following statement is true or false. The lower the frequency of vibration, the higher is the pitch. |
|
Answer» Question 3 (e) |
|
| 1138. |
The apparent reproduction of an object, formed by a lens or mirror system from reflected, refracted, or diffracted light waves is called ___ |
|
Answer» The apparent reproduction of an object, formed by a lens or mirror system from reflected, refracted, or diffracted light waves is called |
|
| 1139. |
1 kilogram of cotton and 1 kilogram of iron are weighed in a vacuum then which one of them will be more. |
| Answer» 1 kilogram of cotton and 1 kilogram of iron are weighed in a vacuum then which one of them will be more. | |
| 1140. |
A vehicle of mass 1500kg is moving along a curved path of length 314m with a speed of 20 m/s . if it takes a turn of 90 degree , the centripetal force needed by the vehicle? |
| Answer» A vehicle of mass 1500kg is moving along a curved path of length 314m with a speed of 20 m/s . if it takes a turn of 90 degree , the centripetal force needed by the vehicle? | |
| 1141. |
A simple pendulum makes 40 oscillations in 80 seconds. What is the time period and frequency of its oscillation? |
|
Answer» A simple pendulum makes 40 oscillations in 80 seconds. What is the time period and frequency of its oscillation? |
|
| 1142. |
If some heat is supplied to a system, then canit is can remain isothermal? |
| Answer» If some heat is supplied to a system, then canit is can remain isothermal? | |
| 1143. |
A capacitor of capacitance C is charged to Vo potential. The positive plate of this capacitor is now connected to the negative terminal of Vo potential difference battery and vice versa. Calculate the heat developed in the connecting wires |
| Answer» A capacitor of capacitance C is charged to Vo potential. The positive plate of this capacitor is now connected to the negative terminal of Vo potential difference battery and vice versa. Calculate the heat developed in the connecting wires | |
| 1144. |
snail, dark, feelers, storm, lightning, thunder |
| Answer» snail, dark, feelers, storm, lightning, thunder | |
| 1145. |
The angle of reflection is equal to the angle of incidence: (a) always (b) sometimes (c) under special conditions (d) never |
|
Answer» The angle of reflection is equal to the angle of incidence: (a) always (b) sometimes (c) under special conditions (d) never |
|
| 1146. |
The image formed by a pinhole camera is |
|
Answer» The image formed by a pinhole camera is |
|
| 1147. |
A pen lying on the table is at___ with respect to its surroundings and ___ with respect to a person on the moon. |
|
Answer» A pen lying on the table is at___ with respect to its surroundings and ___ with respect to a person on the moon. |
|
| 1148. |
69.If there is a positive error of 50% in measurement of velocity of a body then the error in measurement of kinetic energy is?? |
| Answer» 69.If there is a positive error of 50% in measurement of velocity of a body then the error in measurement of kinetic energy is?? | |
| 1149. |
In a process, 120J heat is given to O_2 gas and 180J work is done o the gas . The molar heat capacity for this process is ? (Assume gas is ideal and gas cons†an t is R) |
| Answer» In a process, 120J heat is given to O_2 gas and 180J work is done o the gas . The molar heat capacity for this process is ? (Assume gas is ideal and gas cons†an t is R) | |
| 1150. |
The area of a circle of circumference C is(a) C24π (b) C22π (c) C2π (d) 4C2π |
|
Answer» The area of a circle of circumference C is (a) (b) (c) (d) |
|