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.
| 4051. |
Look at the figure given below and choose the correct option from the given options. |
|
Answer» Look at the figure given below and choose the correct option from the given options.
|
|
| 4052. |
How electric field and magnetic field are formed in surroundings? |
|
Answer» How electric field and magnetic field are formed in surroundings? |
|
| 4053. |
1) write a formula for the number of seconds in any number of munites, using A) words b) letters B) use your formulas from part a to work out the number of 30 seconds in minutes. |
|
Answer» 1) write a formula for the number of seconds in any number of munites, using A) words b) letters B) use your formulas from part a to work out the number of 30 seconds in minutes. |
|
| 4054. |
A 6-foot tall man needs ___ feet of mirror (positioned properly) in order to view his entire image. |
|
Answer» A 6-foot tall man needs |
|
| 4055. |
You are given a hammer, a battery, a bulb, wires and a switch. How could you use them to distinguish between samples of metals and non-metals? |
|
Answer» You are given a hammer, a battery, a bulb, wires and a switch. How could you use them to distinguish between samples of metals and non-metals? |
|
| 4056. |
Which of the following device is used to measure temperature? |
|
Answer» Which of the following device is used to measure temperature? |
|
| 4057. |
What is the difference between wind storm and cyclone with definations |
| Answer» What is the difference between wind storm and cyclone with definations | |
| 4058. |
A wave in which the particle moves parallel to the direction of traversal of the wave is known as___wave. |
|
Answer» A wave in which the particle moves parallel to the direction of traversal of the wave is known as |
|
| 4059. |
The work done in shifting a baggage from the first floor of a building to the second floor is 100 J. The change in gravitational potential energy of the baggage is: |
|
Answer» The work done in shifting a baggage from the first floor of a building to the second floor is 100 J. The change in gravitational potential energy of the baggage is: |
|
| 4060. |
When a vehicle moves very fast, a region of ___ is created behind the vehicle. |
|
Answer» When a vehicle moves very fast, a region of ___ is created behind the vehicle. |
|
| 4061. |
The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of truck parked behind his car. This speed at which the image of the truck appears to approach the driver will be? If the truck is 20m behind the car, after how long will the car crash into the truck? [5 MARKS] |
|
Answer» The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of truck parked behind his car. This speed at which the image of the truck appears to approach the driver will be? If the truck is 20m behind the car, after how long will the car crash into the truck? [5 MARKS] |
|
| 4062. |
___are used in the heavy cranes to pick heavy metallic objects in different industries. |
|
Answer» |
|
| 4063. |
What is a fuse? Name the material of fuse. State one characteristic of the material used for the fuse. |
|
Answer» What is a fuse? Name the material of fuse. State one characteristic of the material used for the fuse. |
|
| 4064. |
Name some everyday objects : (a) which reflect all the colours in sunlight (b) which absorb all the colours in sunlight |
|
Answer» Name some everyday objects : (a) which reflect all the colours in sunlight (b) which absorb all the colours in sunlight |
|
| 4065. |
Jaya walks two miles from her door to the park, then returns home to her door. Express your answer in miles. (Calculate distance and displacement) |
|
Answer» Jaya walks two miles from her door to the park, then returns home to her door. Express your answer in miles. (Calculate distance and displacement) |
|
| 4066. |
In which of the following process, convection does not take place primarily? |
|
Answer» In which of the following process, convection does not take place primarily? |
|
| 4067. |
Holes are made in the banners and hoardings. Give reasons.[3 MARKS] |
| Answer» Holes are made in the banners and hoardings. Give reasons.[3 MARKS] | |
| 4068. |
Why doesn't a concave or convex lens disperse light even though they are made up of a set of prisms? |
| Answer» Why doesn't a concave or convex lens disperse light even though they are made up of a set of prisms? | |
| 4069. |
At noon the sun appears white as |
|
Answer» At noon the sun appears white as |
|
| 4070. |
A boy moves with the speed of 10m/s towards the stationary plane mirror and the boy see his image in the plane mirror the speed at which image of the boy appear to approach the boy is found to be 10km/s. What is the value of k |
| Answer» A boy moves with the speed of 10m/s towards the stationary plane mirror and the boy see his image in the plane mirror the speed at which image of the boy appear to approach the boy is found to be 10km/s. What is the value of k | |
| 4071. |
In the graph given below at which point the speed is highest? |
|
Answer» In the graph given below at which point the speed is highest?
|
|
| 4072. |
What are all the types of media through which sound can propagate? [3 MARKS] |
|
Answer» What are all the types of media through which sound can propagate? [3 MARKS] |
|
| 4073. |
Two or more cells can be joined together to form a ______________. |
|
Answer» Two or more cells can be joined together to form a ______________. |
|
| 4074. |
A bus is travelling at a speed of 80km/hr and it takes 8hrs to complete the journey.At what speed should it travel to complete the journey in 6hrs? |
|
Answer» A bus is travelling at a speed of 80km/hr and it takes 8hrs to complete the journey.At what speed should it travel to complete the journey in 6hrs? |
|
| 4075. |
Which is hotter; 35^{\circ}C or 45^{\circ}C? |
|
Answer» Which is hotter; 35^{\circ}C or 45^{\circ}C? |
|
| 4076. |
Himanshu has two lenses A and B. When he touches both the lenses he finds that A is thicker at the center than the edges and B is thinner at the center as compared to its edges. He has to focus sunlight on a particular point. Which of the following statement is true? |
|
Answer» Himanshu has two lenses A and B. When he touches both the lenses he finds that A is thicker at the center than the edges and B is thinner at the center as compared to its edges. He has to focus sunlight on a particular point. Which of the following statement is true? |
|
| 4077. |
What would be the gravitational potential energy of an object whose mass is 1 kg and is at a height of 10 m? |
|
Answer» What would be the gravitational potential energy of an object whose mass is 1 kg and is at a height of 10 m? |
|
| 4078. |
Why, A black object absorbs all wavelengths of light and reflects none and that's why it appears black. Consequently, black absorbs the most heat. And white reflects all wavelengths of light? |
Answer» Why,
white reflects all wavelengths of light? |
|
| 4079. |
Why can we see our reflection on a polished metal surface or on a mirror but not on a rough surfaced stone or even on a crumbled piece of paper? |
|
Answer» Why can we see our reflection on a polished metal surface or on a mirror but not on a rough surfaced stone or even on a crumbled piece of paper? |
|
| 4080. |
Rate of distance travelled with time is termed as : |
|
Answer» Rate of distance travelled with time is termed as : |
|
| 4081. |
The circle which passes through both the celestial poles and observer's zenith and nadir is called _______. |
|
Answer» The circle which passes through both the celestial poles and observer's zenith and nadir is called _______. |
|
| 4082. |
The working of a lens is based on the phenomenon of ___________ of light. |
|
Answer» The working of a lens is based on the phenomenon of ___________ of light. |
|
| 4083. |
If AB is the object and CD is the image formed. If AP is the object distance and CP is the image distance from the mirror. Then choose the correct sign convention? 1.height of image=+ ve2. height of image=−ve3. height of object=+ve4. height of object=−ve5. AP=+ve6. AP=−ve7. PC=+ve7. PC=+ve |
|
Answer» If AB is the object and CD is the image formed. If AP is the object distance and CP is the image distance from the mirror. Then choose the correct sign convention? |
|
| 4084. |
Predominantly, in which of the following does heat transfer takes place through conduction? |
|
Answer» Predominantly, in which of the following does heat transfer takes place through conduction? |
|
| 4085. |
Define thrust. What is the up thrust experienced by a balloon of volume 120m3 filled with hydrogen. The density of air = 1.140 kgm3 and density of hydrogen = 0.081kgm3 at room temperature. What is the maximum weight this balloon can lift? [3 MARKS] |
| Answer» Define thrust. What is the up thrust experienced by a balloon of volume 120m3 filled with hydrogen. The density of air = 1.140 kgm3 and density of hydrogen = 0.081kgm3 at room temperature. What is the maximum weight this balloon can lift? [3 MARKS] | |
| 4086. |
Which of these are the characteristics of a good sources of energy? |
|
Answer» Which of these are the characteristics of a good sources of energy? |
|
| 4087. |
Image is formed when |
|
Answer» Image is formed when
|
|
| 4088. |
A person sits in front of a fire. What is/are the main process/es of thermal energy transfer? |
|
Answer» A person sits in front of a fire. What is/are the main process/es of thermal energy transfer? |
|
| 4089. |
Which of the following objects is/are at rest with respect to you if you are sitting in a moving train? |
|
Answer» Which of the following objects is/are at rest with respect to you if you are sitting in a moving train? |
|
| 4090. |
Water is being boiled in a steel container kept on a heat source. What is the primary mode of heat transfer used for water in this case? |
|
Answer» Water is being boiled in a steel container kept on a heat source. What is the primary mode of heat transfer used for water in this case? |
|
| 4091. |
What is lateral inversion? |
| Answer» What is lateral inversion? | |
| 4092. |
RADIATION: Is heat is transferred by electromagnetic waves? What is known as electromagnetic waves? |
|
Answer» RADIATION: Is heat is transferred by electromagnetic waves? What is known as electromagnetic waves? |
|
| 4093. |
Please send me a table form of image made by concave lens and mirror and convex lense and mirror of an object |
| Answer» Please send me a table form of image made by concave lens and mirror and convex lense and mirror of an object | |
| 4094. |
The work done by the tension in the string of a simple pendulum during one complete oscillation is equal to: |
|
Answer» The work done by the tension in the string of a simple pendulum during one complete oscillation is equal to: |
|
| 4095. |
Define cyclone. Is it caused due to pressure difference? |
|
Answer» Define cyclone. Is it caused due to pressure difference? |
|
| 4096. |
A girl is cycling and she covers 0.5 km in 2 minutes, next 0.75 km in 3 minutes and last 1 km in 4 minutes. Then her average speed is |
|
Answer» A girl is cycling and she covers 0.5 km in 2 minutes, next 0.75 km in 3 minutes and last 1 km in 4 minutes. Then her average speed is |
|
| 4097. |
The wet clothes, when spread in the sunshine, dry rapidly because |
|
Answer» The wet clothes, when spread in the sunshine, dry rapidly because |
|
| 4098. |
The motion of a coin over the carrom board is : |
|
Answer» The motion of a coin over the carrom board is :
|
|
| 4099. |
What are the conditions that are required to create a storm? |
|
Answer» What are the conditions that are required to create a storm? |
|
| 4100. |
Why are cooking utensils blackened at the bottom? |
|
Answer» Why are cooking utensils blackened at the bottom? |
|