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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.
| 201. |
2 plates of a capacitor of capacitance c are given charge q1 and q2 at it =0 switch s is closed heat developed across resistor are over long time is |
| Answer» 2 plates of a capacitor of capacitance c are given charge q1 and q2 at it =0 switch s is closed heat developed across resistor are over long time is | |
| 202. |
A sharp image of a distant object is obtained on a screen by using a convex lens. In order to determine the focal length of the lens, you need to measure the distance between the :(1) lens and the object(2) lens and the screen(3) object and the screen(4) lens and the screen and also between object and the screen |
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Answer» A sharp image of a distant object is obtained on a screen by using a convex lens. In order to determine the focal length of the lens, you need to measure the distance between the : (1) lens and the object (2) lens and the screen (3) object and the screen (4) lens and the screen and also between object and the screen |
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| 203. |
The parallel of a far off planet as measured from the two diametric extremes in equator of the earth is 2 minute .If the radius of the earth is 6400km ,find distance of planet from the eatrh |
| Answer» The parallel of a far off planet as measured from the two diametric extremes in equator of the earth is 2 minute .If the radius of the earth is 6400km ,find distance of planet from the eatrh | |
| 204. |
Question 2 (b) Mark T if the statement is true and F if it is false: A concave lens always forms a virtual image. |
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Answer» Question 2 (b) |
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| 205. |
Between which two points of concave mirror should an object placed to obtain image |
| Answer» Between which two points of concave mirror should an object placed to obtain image | |
| 206. |
How do large animals ensure the quick reaching of oxygen from the respiratory surface to each of their body cells? |
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Answer» How do large animals ensure the quick reaching of oxygen from the respiratory surface to each of their body cells? |
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| 207. |
54.A ray travels according to figure refractive index of material 1.1.414 2.1.732 3.3/2 4.1/2 Click here to view details: |
| Answer» 54.A ray travels according to figure refractive index of material 1.1.414 2.1.732 3.3/2 4.1/2 Click here to view details: | |
| 208. |
Are there any advantages using plane mirror instead of concave mirror in solar cooker? |
| Answer» Are there any advantages using plane mirror instead of concave mirror in solar cooker? | |
| 209. |
What is the area of the banana leaf, if each square unit is 1 cm2? |
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Answer» What is the area of the banana leaf, if each square unit is 1 cm2? |
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| 210. |
Why the total energy is equal to negative of kinetic energy in satellite motion |
| Answer» Why the total energy is equal to negative of kinetic energy in satellite motion | |
| 211. |
nta sinusoidal wave y=Asin(kx-wt). find ratio of max particle velocity to wave velocityn |
| Answer» nta sinusoidal wave y=Asin(kx-wt). find ratio of max particle velocity to wave velocityn | |
| 212. |
54.What happens to the gas at low temperature? |
| Answer» 54.What happens to the gas at low temperature? | |
| 213. |
Which of the following statement is correct regarding Sun's radiation (heat rays) on Earth? |
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Answer» Which of the following statement is correct regarding Sun's radiation (heat rays) on Earth? |
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| 214. |
Choose the measures taken after cyclone. |
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Answer» Choose the measures taken after cyclone. |
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| 215. |
Two points separated by a distance of 0.1 mm can just be inspected in a microscope when light of wavelength 6000 ˙A is used. If the light of wavelength 4800 ˙A is used, then the limit of resolution will become |
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Answer» Two points separated by a distance of 0.1 mm can just be inspected in a microscope when light of wavelength 6000 ˙A is used. If the light of wavelength 4800 ˙A is used, then the limit of resolution will become |
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| 216. |
Statement 1: The liquid pressure increases as the depth increases. Statement 2: The liquid at lower depths has to support all of the water above it. |
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Answer» Statement 1: The liquid pressure increases as the depth increases. Statement 2: The liquid at lower depths has to support all of the water above it. |
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| 217. |
7. How many moles of potassium chlorate to be heated to produce 5.6L oxygen at STP? |
| Answer» 7. How many moles of potassium chlorate to be heated to produce 5.6L oxygen at STP? | |
| 218. |
The time period of a sound wave is 0.020 s. What is its frequency? |
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Answer» The time period of a sound wave is 0.020 s. What is its frequency? |
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| 219. |
Which of the following four statements is false? (1) A body can have zero velocity and still be (2) A body can have a constant velocity and still 3) A body can have a constant speed and still have (4) The direction of the velocity of a body can accelerated have a varying speed a varying velocity change when its acceleration is constant. |
| Answer» Which of the following four statements is false? (1) A body can have zero velocity and still be (2) A body can have a constant velocity and still 3) A body can have a constant speed and still have (4) The direction of the velocity of a body can accelerated have a varying speed a varying velocity change when its acceleration is constant. | |
| 220. |
What is parallex? |
| Answer» What is parallex? | |
| 221. |
Which among the following pieces of wire made up of the same material will produce the least heat when connected to the same circuit? |
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Answer» Which among the following pieces of wire made up of the same material will produce the least heat when connected to the same circuit? |
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| 222. |
Differentiate between instantaneous velocity and average velocity using velocity time graph? |
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Answer» Differentiate between instantaneous velocity and average velocity using velocity time graph? |
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| 223. |
Which of the following is the S.I. unit of density? |
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Answer» Which of the following is the S.I. unit of density? |
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| 224. |
The numerical value of the ratio of displacement to distance is-1. Less than or equal to one2. Always greater than one3. Always less than one4. Greater than or equal to one |
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Answer» The numerical value of the ratio of displacement to distance is- 1. Less than or equal to one 2. Always greater than one 3. Always less than one 4. Greater than or equal to one |
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| 225. |
Question 3Choose the correct option.The magnetic field inside a long straight solenoid-carrying current(a) is zero(b) decreases as we move towards its end(c) increases as we move towards its end(d) is the same at all points |
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Answer» Question 3 |
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| 226. |
Define rectilinear motion and oscillatory motion and give an example for each. |
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Answer» Define rectilinear motion and oscillatory motion and give an example for each. |
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| 227. |
Find the unit digit of 233 raised to the power 126 X 235 raised to the power 122 X 123 raised to the power 235 |
| Answer» Find the unit digit of 233 raised to the power 126 X 235 raised to the power 122 X 123 raised to the power 235 | |
| 228. |
Fill in the blanks with the correct prepositions. Krishna was hit ___ a ball. Rituparna mistook her friend ___ someone else. She spoke to her family ___ the phone. |
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Answer» Fill in the blanks with the correct prepositions. Krishna was hit ___ a ball. Rituparna mistook her friend ___ someone else. She spoke to her family ___ the phone. |
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| 229. |
State one use of good conductor of heat and bad conductor of heat |
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Answer» State one use of good conductor of heat and bad conductor of heat |
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| 230. |
What are the characteristics of Virtual image? |
| Answer» What are the characteristics of Virtual image? | |
| 231. |
Question 7 Would the bulb glow in the circuit shown in Fig. |
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Answer» Question 7 Would the bulb glow in the circuit shown in Fig.
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| 232. |
State whether the statements are True or False. Question 30The ordinate of a point is its distance from the Y-axis. |
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Answer» State whether the statements are True or False. Question 30 The ordinate of a point is its distance from the Y-axis. |
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| 233. |
Differentiate between radiation and conduction? Which mode of heat transfer is used to transfer heat in vacuum? [5 MARKS] |
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Answer» Differentiate between radiation and conduction? Which mode of heat transfer is used to transfer heat in vacuum? [5 MARKS] |
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| 234. |
The apple and the moon are both attracted by the Earth but the moon never falls on the Earth. Explain this phenomenon with respect to centripetal and centrifugal force. Is it right to say that the moon doesn't fall towards the earth or the earth doesn't fall towards the sun? |
| Answer» The apple and the moon are both attracted by the Earth but the moon never falls on the Earth. Explain this phenomenon with respect to centripetal and centrifugal force. Is it right to say that the moon doesn't fall towards the earth or the earth doesn't fall towards the sun? | |
| 235. |
{ †ext { Two non-mixing liquids of densities } ρ †ext { and } n _ { p } ( n > } { †ext { 1) are put in a container. The height of each liquid } } { †ext { is } h †ext { solid cylinder of length } L †ext { and density d is } } { †ext { put in this container. The cylinder floats with its } } { †ext { axis vertical and length } p L ( p < 1 ) †ext { in the denser } } { †ext { liquid. The density } d †ext { is equal to } } { †ext { (1) } \{ 1 + ( n - 1 ) p \} ρ } { †ext { (2) } \{ 2 + ( n + 1 ) p \} _ { 0 } } { †ext { (4) } \{ 2 + ( n - 1 ) p \} _ { 0 } |
| Answer» { †ext { Two non-mixing liquids of densities } ρ †ext { and } n _ { p } ( n > } { †ext { 1) are put in a container. The height of each liquid } } { †ext { is } h †ext { solid cylinder of length } L †ext { and density d is } } { †ext { put in this container. The cylinder floats with its } } { †ext { axis vertical and length } p L ( p < 1 ) †ext { in the denser } } { †ext { liquid. The density } d †ext { is equal to } } { †ext { (1) } \{ 1 + ( n - 1 ) p \} ρ } { †ext { (2) } \{ 2 + ( n + 1 ) p \} _ { 0 } } { †ext { (4) } \{ 2 + ( n - 1 ) p \} _ { 0 } | |
| 236. |
State two uses of a plane mirror. |
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Answer» State two uses of a plane mirror. |
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| 237. |
The metal disc of an electric cell is: |
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Answer» The metal disc of an electric cell is: |
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| 238. |
Which of the following is true about current carrying conductors? |
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Answer» Which of the following is true about current carrying conductors? |
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| 239. |
What is the difference between strong nuclear and weak nuclear force ? |
| Answer» What is the difference between strong nuclear and weak nuclear force ? | |
| 240. |
In electromagnetic wave, the phase difference between electric and magnetic field vectors, →E and →B respectively is : |
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Answer» In electromagnetic wave, the phase difference between electric and magnetic field vectors, →E and →B respectively is : |
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| 241. |
Which of the following instruments, can be used to form patterns like below? |
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Answer» Which of the following instruments, can be used to form patterns like below? |
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| 242. |
Draw the circuit diagram to represent the circuit shown in Fig. Will the bulb glow? [3 MARKS] |
Answer» Draw the circuit diagram to represent the circuit shown in Fig. Will the bulb glow? [3 MARKS]
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| 243. |
Two spherical mirrors -one convex and other concave are each of the same radius r. They are arranged coaxially at a dis†an ce 2r from each other. A small circle of radius a is drawn on the convex mirror near the pole. Prove that the radii of the first two images are (a/3) and (a/11). |
| Answer» Two spherical mirrors -one convex and other concave are each of the same radius r. They are arranged coaxially at a dis†an ce 2r from each other. A small circle of radius a is drawn on the convex mirror near the pole. Prove that the radii of the first two images are (a/3) and (a/11). | |
| 244. |
Why are ventilators provided near ceilings in the rooms of our houses? |
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Answer» Why are ventilators provided near ceilings in the rooms of our houses? |
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| 245. |
Question 16 Match Column I with Column II. There can be more than one match. |
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Answer» Question 16 Match Column I with Column II. There can be more than one match. |
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| 246. |
If a charged parallel plate capacitor is kept with in a closed insulating container will be the flux through the walls of containers? |
| Answer» If a charged parallel plate capacitor is kept with in a closed insulating container will be the flux through the walls of containers? | |
| 247. |
9.The odometer of a car reads 2000km at the start of a trip and 2400km at the end of the trip. If the trip took 8 hour, calculate the average speed of the car in km/h and m/s? |
| Answer» 9.The odometer of a car reads 2000km at the start of a trip and 2400km at the end of the trip. If the trip took 8 hour, calculate the average speed of the car in km/h and m/s? | |
| 248. |
Conduction of heat takes place through solids where the molecules are closely packed.Then why does a rubber or a glass have low conductivity of heat and are among the best insulators? They are also solids. They also have molecules which are closely packed? |
| Answer» Conduction of heat takes place through solids where the molecules are closely packed.Then why does a rubber or a glass have low conductivity of heat and are among the best insulators? They are also solids. They also have molecules which are closely packed? | |
| 249. |
79.2 particles each of mass ' m ' and carrying charge of ' q'are separated by some distance x. If they are in equilibrium under mutual gravitation and electrostatic forces then q / m is of the order of? Explain in detail |
| Answer» 79.2 particles each of mass ' m ' and carrying charge of ' q'are separated by some distance x. If they are in equilibrium under mutual gravitation and electrostatic forces then q / m is of the order of? Explain in detail | |
| 250. |
Which of the following device is responsible for attracting the striker? |
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Answer» Which of the following device is responsible for attracting the striker? |
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