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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.
| 2301. |
A disc is rotating with angular velocity w, a force f acts at a point whose position vector with respect to the axis of rotation is vector r. The power associated with torque due to the force is given by (1) (r X f).w (2) (r X f)Xw (3) rX( f.w) (4) r. (f X w) |
| Answer» A disc is rotating with angular velocity w, a force f acts at a point whose position vector with respect to the axis of rotation is vector r. The power associated with torque due to the force is given by (1) (r X f).w (2) (r X f)Xw (3) rX( f.w) (4) r. (f X w) | |
| 2302. |
a gas with gamma=1.4 undergoes the adiabatic process of compression,if the pressure is increased by 0.5%,then the volume decreases by |
| Answer» a gas with gamma=1.4 undergoes the adiabatic process of compression,if the pressure is increased by 0.5%,then the volume decreases by | |
| 2303. |
What was Goldstein's experiment? |
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Answer» What was Goldstein's experiment? |
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| 2304. |
Find the relative density of liquid whose density is 300 |
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Answer» Find the relative density of liquid whose density is 300 |
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| 2305. |
Mass = 350kg Vilume = 175m³ Density = ? |
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Answer» Mass = 350kg Vilume = 175m³ Density = ? |
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| 2306. |
For the three bolt system shown in the figure, the bolt material has shear yield strength of 200 MPa. For a factor of safety of 2, the minimum metric specification required for the bolt is |
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Answer» For the three bolt system shown in the figure, the bolt material has shear yield strength of 200 MPa. For a factor of safety of 2, the minimum metric specification required for the bolt is |
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| 2307. |
1)what type of current flow through resistence so the potential drop across it become zero and why ?? 2)what type of current flow through capacitor for charging it ?? and why |
| Answer» 1)what type of current flow through resistence so the potential drop across it become zero and why ?? 2)what type of current flow through capacitor for charging it ?? and why | |
| 2308. |
what is molarity of NaOH solution if 250mL of it contains 1mg of NaO |
| Answer» what is molarity of NaOH solution if 250mL of it contains 1mg of NaO | |
| 2309. |
Give the uses of Glauber's salt, Green vitriol, Epsom salt, Blue vitriol, Lime salt petre, Copper nitrate, Calcium chloride and Gypsum. |
| Answer» Give the uses of Glauber's salt, Green vitriol, Epsom salt, Blue vitriol, Lime salt petre, Copper nitrate, Calcium chloride and Gypsum. | |
| 2310. |
The loading diagram is shown in figure.The value of 'a' such that the bending moment at support will be equal to the mid-span bending moment is ____m 1.767 |
Answer» The loading diagram is shown in figure. The value of 'a' such that the bending moment at support will be equal to the mid-span bending moment is ____m
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| 2311. |
Two mirrors are held normal to each other. A ray of light is incident on one mirror at an angle 30∘ as shown in figure.What is the angle of reflection from mirror M2? |
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Answer» Two mirrors are held normal to each other. A ray of light is incident on one mirror at an angle 30∘ as shown in figure. |
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| 2312. |
What is the thing that produces gravitational force on earth |
| Answer» What is the thing that produces gravitational force on earth | |
| 2313. |
Neha has to push a lighter box such that the lighter box just moves and Sohit has to push a heavier box such that the heavier box just moves on the same floor. Who will have to apply larger force? |
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Answer» Neha has to push a lighter box such that the lighter box just moves and Sohit has to push a heavier box such that the heavier box just moves on the same floor. Who will have to apply larger force? |
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| 2314. |
Statement 1: Stars twinkle but planets do not.Statement 2: Stars have their own light but a planet does not. |
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Answer» Statement 1: Stars twinkle but planets do not. Statement 2: Stars have their own light but a planet does not. |
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| 2315. |
Statement 1: A rod can be used as a standard unit. Statement 2: Length of the rod is not constant at all temperatures. |
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Answer» Statement 1: A rod can be used as a standard unit. Statement 2: Length of the rod is not constant at all temperatures. |
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| 2316. |
To hear the echo in 1 second ,the minimum dis†an ce of source from the reflecting surface should be how much |
| Answer» To hear the echo in 1 second ,the minimum dis†an ce of source from the reflecting surface should be how much | |
| 2317. |
A metre scale of mass 50 g is lying on ahorizontal table. What is the work donein making it stand vertical on one end?-2 |
| Answer» A metre scale of mass 50 g is lying on ahorizontal table. What is the work donein making it stand vertical on one end?-2 | |
| 2318. |
HOW WE ARE ABLE GO SEE THE LIGHT COMMING FROM OUR MOBILE PHONES? ALTHOUGH THEY DON'T HAVE ANY SPACE TO COME OUT OF IT AND BOUNCE. |
| Answer» HOW WE ARE ABLE GO SEE THE LIGHT COMMING FROM OUR MOBILE PHONES? ALTHOUGH THEY DON'T HAVE ANY SPACE TO COME OUT OF IT AND BOUNCE. | |
| 2319. |
18.There is an electic field E in x direction. If wirk done in moving a charge 0.2C through a distance of 2m along a line making an angle of 60 degree with x axis is 4J. What is the value of E? |
| Answer» 18.There is an electic field E in x direction. If wirk done in moving a charge 0.2C through a distance of 2m along a line making an angle of 60 degree with x axis is 4J. What is the value of E? | |
| 2320. |
Circumference of a circle bears a ___________ ratio with its diameter. |
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Answer» Circumference of a circle bears a ___________ ratio with its diameter. |
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| 2321. |
Question 19In the circuit given as figure, Boojho observed that copper is deposited on the electrode connected to the negative terminal of the battery. Paheli tried to repeat the same experiment. But she could find only one copper plate. Therefore, she took a carbon rod as the negative electrode. Will copper be still deposited on the carbon rod? Explain your answer. |
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Answer» Question 19 In the circuit given as figure, Boojho observed that copper is deposited on the electrode connected to the negative terminal of the battery. Paheli tried to repeat the same experiment. But she could find only one copper plate. Therefore, she took a carbon rod as the negative electrode. Will copper be still deposited on the carbon rod? Explain your answer.  |
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| 2322. |
Question 23Observing that the bulb does not glow in the circuit shown in Fig 1, Boojho changed the circuit as shown in Fig 2. He observed deflection in the magnetic compass.(i) What does the deflection of magnetic compass indicate?(ii) Why did the bulb not glow in Fig. 1?(iii) What would be the effect of increase in the number of turns in the coil wound around the magnetic compass in Fig. 2?(iv) What will be observed if the number of cells is increased in the circuit shown in Fig. 2? |
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Answer» Question 23 Observing that the bulb does not glow in the circuit shown in Fig 1, Boojho changed the circuit as shown in Fig 2. He observed deflection in the magnetic compass.  (i) What does the deflection of magnetic compass indicate? (ii) Why did the bulb not glow in Fig. 1? (iii) What would be the effect of increase in the number of turns in the coil wound around the magnetic compass in Fig. 2? (iv) What will be observed if the number of cells is increased in the circuit shown in Fig. 2? |
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| 2323. |
The size of moon _________ after new moon. |
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Answer» The size of moon _________ after new moon. |
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| 2324. |
If thete be no friction, surfaces can exert only normal forces-What does this mean |
| Answer» If thete be no friction, surfaces can exert only normal forces-What does this mean | |
| 2325. |
Give two examples each of situation in which you push or pull to change the state of the motion object |
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Answer» Give two examples each of situation in which you push or pull to change the state of the motion object |
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| 2326. |
If a body is at rest on an inclined plane, how many forces are acting on it amd name the forces. |
| Answer» If a body is at rest on an inclined plane, how many forces are acting on it amd name the forces. | |
| 2327. |
A man is pushing a cart. Suddenly the cart starts moving faster as it starts moving down a slope. The man wants to slow it down. What force should he apply to balance the cart? |
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Answer» A man is pushing a cart. Suddenly the cart starts moving faster as it starts moving down a slope. The man wants to slow it down. What force should he apply to balance the cart? |
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| 2328. |
What is the need to electroplate one metal over another? |
| Answer» What is the need to electroplate one metal over another? | |
| 2329. |
A drum brake is shown in the figure. The drum is rotating in an anticlockwise direction. The coefficient of friction between drum and shoe is 0.2. The dimensions shown in the figure are in mm. The braking torque (in Nm) for the brake shoe is 64 |
Answer» A drum brake is shown in the figure. The drum is rotating in an anticlockwise direction. The coefficient of friction between drum and shoe is 0.2. The dimensions shown in the figure are in mm. The braking torque (in Nm) for the brake shoe is 
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| 2330. |
Why are winds so important to mankind |
| Answer» Why are winds so important to mankind | |
| 2331. |
Shalu was trying hard to push a 5 kg box kept on the floor; she somehow manages to just push the box while his friend Ankit was enjoying sliding an identical box on the floor. Then choose the correct options |
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Answer» Shalu was trying hard to push a 5 kg box kept on the floor; she somehow manages to just push the box while his friend Ankit was enjoying sliding an identical box on the floor. Then choose the correct options |
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| 2332. |
The true essence of a writer’s voice lies far beneath the surface. It is not merely a matter of grammar and word choice. It is the writer's craving to connect. It is less craft and more courage – less ink and more blood. It is not only how the writer tells his story; it is the story he chooses tell. The story he must tell. It is the reason he writes. |
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Answer» The true essence of a writer’s voice lies far beneath the surface. It is not merely a matter of grammar and word choice. It is the writer's craving to connect. It is less craft and more courage – less ink and more blood. It is not only how the writer tells his story; it is the story he chooses tell. The story he must tell. It is the reason he writes. |
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| 2333. |
What happens when non metal reacts with acid? |
| Answer» What happens when non metal reacts with acid? | |
| 2334. |
We know that L=K log10 l, where L is loudness and l is intensity. What is K then? |
| Answer» We know that L=K log10 l, where L is loudness and l is intensity. What is K then? | |
| 2335. |
How electric current is scaler quantity |
| Answer» How electric current is scaler quantity | |
| 2336. |
If force acting on a body is constant then its kE is proportional to 1) t 2) 1/t 3) t^2 4) T^0 |
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Answer» If force acting on a body is constant then its kE is proportional to 1) t 2) 1/t 3) t^2 4) T^0 |
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| 2337. |
A steel column in a multi-storeyed building carries an axial load of 250 kN. It is built by 2 ISMC 350 channels connected by lacing. The maximum transverse shear resisted by the lacing system carries an load of _____ kN.6.25 |
Answer» A steel column in a multi-storeyed building carries an axial load of 250 kN. It is built by 2 ISMC 350 channels connected by lacing. The maximum transverse shear resisted by the lacing system carries an load of _____ kN.
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| 2338. |
45 gm of alcohol are needed to completely fill up a weight thermometer at 15∘C. Find the weight of alcohol which will overflow when the weight thermometer is heated to 33∘C.(Given γa=121×10−5 /∘C) |
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Answer» 45 gm of alcohol are needed to completely fill up a weight thermometer at 15∘C. Find the weight of alcohol which will overflow when the weight thermometer is heated to 33∘C.(Given γa=121×10−5 /∘C) |
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| 2339. |
The Mathura factories mainly produces which gas? |
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Answer» The Mathura factories mainly produces which gas? |
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| 2340. |
Charge distribution in between two bodies(one charged, the other uncharged) will be equal during charging by conduction if they are of identical sizes or of identical surface area? |
| Answer» Charge distribution in between two bodies(one charged, the other uncharged) will be equal during charging by conduction if they are of identical sizes or of identical surface area? | |
| 2341. |
Find θ if the light is falling on the pole and angle of incidence is 30∘ as shown in the figure? |
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Answer»
Find θ if the light is falling on the pole and angle of incidence is 30∘ as shown in the figure? |
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| 2342. |
A car moving towards north at a speed of 10 m/s turns right within 10 s maintaining the same speed. Average acceleration of the car during this time interval is:- (1) 1/√2 m/s^2 S-W, (2) 1/√2 m/s^2 N-E, (3) √2 m/s^2 S-E, (4) √2 m/s^2 N-E. |
| Answer» A car moving towards north at a speed of 10 m/s turns right within 10 s maintaining the same speed. Average acceleration of the car during this time interval is:- (1) 1/√2 m/s^2 S-W, (2) 1/√2 m/s^2 N-E, (3) √2 m/s^2 S-E, (4) √2 m/s^2 N-E. | |
| 2343. |
31. A block of mass M is placed on a smooth wedge of inclination x^° the whole system is accelerated horizontally so that the block does not sleep on the ways the force exerted by the wedge on a block has a magnitude |
| Answer» 31. A block of mass M is placed on a smooth wedge of inclination x^° the whole system is accelerated horizontally so that the block does not sleep on the ways the force exerted by the wedge on a block has a magnitude | |
| 2344. |
Dentists use a ____ mirror to magnify the image of the tooth of a patient. |
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Answer» Dentists use a ____ mirror to magnify the image of the tooth of a patient. |
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| 2345. |
The frequency of a source is 15KHz. The frequencies of the sound wave produced by it in water and air will: a) be same as that of the source b) be different. Frequency in water will be more than that of air. c) be different. Frequency in air will be more than that of water. d) depend upon the velocities of sound in these media |
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Answer» The frequency of a source is 15KHz. The frequencies of the sound wave produced by it in water and air will: a) be same as that of the source b) be different. Frequency in water will be more than that of air. c) be different. Frequency in air will be more than that of water. d) depend upon the velocities of sound in these media |
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| 2346. |
84.A particle execute simple harmonic motion of amplitudes 25 cm and time period 3 sec.what is the min. timw required for the particle to move btw two points 112.5 cm on eithe |
| Answer» 84.A particle execute simple harmonic motion of amplitudes 25 cm and time period 3 sec.what is the min. timw required for the particle to move btw two points 112.5 cm on eithe | |
| 2347. |
what is rectilinear motion . ? |
| Answer» what is rectilinear motion . ? | |
| 2348. |
Tarun got to know that the next nearest star to us is Alpha Centauri and is at a distance of 4 light years from the Earth. What does it mean? |
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Answer» Tarun got to know that the next nearest star to us is Alpha Centauri and is at a distance of 4 light years from the Earth. What does it mean? |
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| 2349. |
Properties of electrolyte are: |
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Answer» Properties of electrolyte are:
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| 2350. |
is formal charge on sulphur in H2SO4 is 0 or +2 |
| Answer» is formal charge on sulphur in H2SO4 is 0 or +2 | |
