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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.
| 3251. |
An isolated conducting sphere of charge Q and radius R is grounded by using a high resistance wire. What is the amount of heat loss? (a)kq/2R (b)kq/R (c)2kq /R (d)None of above |
| Answer» An isolated conducting sphere of charge Q and radius R is grounded by using a high resistance wire. What is the amount of heat loss? (a)kq/2R (b)kq/R (c)2kq /R (d)None of above | |
| 3252. |
How did the merry-go-round go?How did the big brown horse go? |
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Answer» How did the merry-go-round go? How did the big brown horse go? |
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| 3253. |
the kinetic energy of a particle of mass m moving with speed V is given by K = 1/2 mV*2 . if the kinetic energy of a particle moving along x axis varies with x as K = 9-x*2 then the region in which particle lies :- a) x >= 9 b) -3 |
| Answer» the kinetic energy of a particle of mass m moving with speed V is given by K = 1/2 mV*2 . if the kinetic energy of a particle moving along x axis varies with x as K = 9-x*2 then the region in which particle lies :- a) x >= 9 b) -3<= x <= 3 c) 0<= x <= 9 d) - infinite < x < +infinite | |
| 3254. |
Question 20Which liquid metal is used for making thermometers? |
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Answer» Question 20 Which liquid metal is used for making thermometers? |
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| 3255. |
Which of these are better radiators of radiant heat–dark-coloured or light-coloured objects? |
| Answer» Which of these are better radiators of radiant heat–dark-coloured or light-coloured objects? | |
| 3256. |
Question 12Taking 0.5 cm as 1 unit, plot the following points on the graph paper. A(1, 3), B(-3, -1), C(1, -4), D(-2, 3), E(0, -8) and F(1, 0) |
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Answer» Question 12 |
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| 3257. |
Why do we fill a little less air in a bicycle tube in summer? |
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Answer» Why do we fill a little less air in a bicycle tube in summer? |
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| 3258. |
A battery is a group of: |
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Answer» A battery is a group of: |
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| 3259. |
1 degree on celsius scale is equal to |
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Answer» 1 degree on celsius scale is equal to |
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| 3260. |
A point charge of 2.0 μC is at the centre of a cubic Gaussian surface 9.0 cm on edge. A point charge of 2.0 μC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net electric flux through the surface? What is the net electric flux through the surface? |
| Answer» A point charge of 2.0 μC is at the centre of a cubic Gaussian surface 9.0 cm on edge. A point charge of 2.0 μC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net electric flux through the surface? What is the net electric flux through the surface? | |
| 3261. |
A particle moves according to the relation dv/dt =-kv³.if u is the initial velocity, calculate the ins†an†an eous velocity of paticle |
| Answer» A particle moves according to the relation dv/dt =-kv³.if u is the initial velocity, calculate the ins†an†an eous velocity of paticle | |
| 3262. |
A coliform is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms.Based on the above graph, which of the given cities should a couple prefer to live in? |
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Answer» A coliform is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms.
Based on the above graph, which of the given cities should a couple prefer to live in? |
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| 3263. |
30.Two friends A and B are waiting for another friend for tea.A took the tea in a cup and mixed the cold milk and then waits.B took the tea in the cup and then mixed the cold milk when the friend comes. Then the tea will be hotter in the cup of a)A b)B c)tea will be equally hot in both cups d)friends cup |
| Answer» 30.Two friends A and B are waiting for another friend for tea.A took the tea in a cup and mixed the cold milk and then waits.B took the tea in the cup and then mixed the cold milk when the friend comes. Then the tea will be hotter in the cup of a)A b)B c)tea will be equally hot in both cups d)friends cup | |
| 3264. |
13. In the potentiometer circuit of figure, when the key K is inserted, balance length is found to be 20 cm for R = 5ohm and 30 cm for R = 10 ohm. The balance length if key is taken out, will be 1) 35 cm. 2) 45 cm. 3) 60 cm. 4) 50 cm |
| Answer» 13. In the potentiometer circuit of figure, when the key K is inserted, balance length is found to be 20 cm for R = 5ohm and 30 cm for R = 10 ohm. The balance length if key is taken out, will be 1) 35 cm. 2) 45 cm. 3) 60 cm. 4) 50 cm | |
| 3265. |
two circular rings are of same thickness.the diameter of 1st rimg is twice that of second.the moment of inertia of 1st ring as compared to that of second is |
| Answer» two circular rings are of same thickness.the diameter of 1st rimg is twice that of second.the moment of inertia of 1st ring as compared to that of second is | |
| 3266. |
Question 12 An electric bulb is connected to a cell through a switch as shown in Fig. When the switch is brought to ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them. |
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Answer» Question 12 An electric bulb is connected to a cell through a switch as shown in Fig. When the switch is brought to ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them. |
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| 3267. |
Which of the following uses an electromagnet as its main component? |
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Answer» Which of the following uses an electromagnet as its main component? |
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| 3268. |
The pressure of hydrogen gas is increased from 1 atm to 100atm. Keeping the H (1 M) constant, the voltage of thehydrogen half-cell at 25^° C will be:(a) 0.059 V(d) 0.118 V(c) 0.0295 V(b) 0.59 V11 ia O40/C-11 |
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Answer» The pressure of hydrogen gas is increased from 1 atm to 100 atm. Keeping the H (1 M) constant, the voltage of the hydrogen half-cell at 25^° C will be: (a) 0.059 V (d) 0.118 V (c) 0.0295 V (b) 0.59 V 11 ia O40/ C-11 |
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| 3269. |
Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint: The value of g is greater at the poles than at the equator]. |
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Answer» Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint: The value of g is greater at the poles than at the equator]. |
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| 3270. |
An ox is tied to a pole situated at the center of a field, with a 10 m long rope. The ox moves keeping the rope tight. Find the area of the ground swept by the rope.( Use π=3.14) |
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Answer» An ox is tied to a pole situated at the center of a field, with a 10 m long rope. The ox moves keeping the rope tight. Find the area of the ground swept by the rope.( Use π=3.14) |
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| 3271. |
Which among the following quantities, is always negative for a particle executing S.H.M.? (Symbols have their usual meaning) |
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Answer» Which among the following quantities, is always negative for a particle executing S.H.M.? (Symbols have their usual meaning) |
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| 3272. |
Have you ever seen a rainbow? When do you see a rainbow in the sky? |
Answer»
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| 3273. |
Planets revolve around the Sun in a definite path. The definite path is known as: |
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Answer» Planets revolve around the Sun in a definite path. The definite path is known as: |
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| 3274. |
Length of a side and two diagonals of a quadrilateral are given. Which one represents the measurements of a rhombus? [4 MARKS] |
| Answer» Length of a side and two diagonals of a quadrilateral are given. Which one represents the measurements of a rhombus? [4 MARKS] | |
| 3275. |
If the velocity is zero at an instant,the acceleration need not be zero at that instant as in case of motion under gravity at the topmost point.how? |
| Answer» If the velocity is zero at an instant,the acceleration need not be zero at that instant as in case of motion under gravity at the topmost point.how? | |
| 3276. |
A neutral body loses 10^6 electrons, the field intensity due to it at 20 cm from its center is |
| Answer» A neutral body loses 10^6 electrons, the field intensity due to it at 20 cm from its center is | |
| 3277. |
Question 3A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in figure. In which of the following cases, after dispersion, the third color from the top corresponds to the color of the sky? (a) (i) (b) (ii) (c) (iii) (d) (iv) |
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Answer» Question 3 |
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| 3278. |
The seven colors present in the rainbow are |
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Answer» The seven colors present in the rainbow are |
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| 3279. |
The to and fro motion of a particle is known as: |
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Answer» The to and fro motion of a particle is known as: |
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| 3280. |
There is no chabge in volume of wire due to the change in its length in stretching. The poissons ratio of the material of the wire |
| Answer» There is no chabge in volume of wire due to the change in its length in stretching. The poissons ratio of the material of the wire | |
| 3281. |
Though we say image is formed at same side of concave mirror we can see image in mirror how and why |
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Answer» Though we say image is formed at same side of concave mirror we can see image in mirror how and why |
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| 3282. |
896ml or a mixture of co and co2 weigh 1.28g at NTP.calculate the volume of co2 in mixture at NTP |
| Answer» 896ml or a mixture of co and co2 weigh 1.28g at NTP.calculate the volume of co2 in mixture at NTP | |
| 3283. |
A train has a speed of 60km/h for the first one hour and 40km/h for the next half hour .What is it's average speed in km/h? |
| Answer» A train has a speed of 60km/h for the first one hour and 40km/h for the next half hour .What is it's average speed in km/h? | |
| 3284. |
Heat from sun reaches to us due to |
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Answer» Heat from sun reaches to us due to |
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| 3285. |
Two metal pieces each of size 125 m × 50 mm are glued together to form an inverted T-beam. If the maximum allowable stress both in tension and compression for web material is 200 MPa and that for flange material is 150 MPa then the magnitude of maximum sagging moment in kN-m that can be applied safely on the beam considering young's modulus Eweb=2×105MPa & Eflange=0.8×105MPa respectively is 51.04 |
Answer» Two metal pieces each of size 125 m × 50 mm are glued together to form an inverted T-beam. If the maximum allowable stress both in tension and compression for web material is 200 MPa and that for flange material is 150 MPa then the magnitude of maximum sagging moment in kN-m that can be applied safely on the beam considering young's modulus Eweb=2×105MPa & Eflange=0.8×105MPa respectively is
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| 3286. |
two cities are 150 km apart. electric power is sent from one city to another city through copper wires. the fall of potential per km is 8 volt and the average resistance per km is 0.5 ohm. the power loss in the wire is |
| Answer» two cities are 150 km apart. electric power is sent from one city to another city through copper wires. the fall of potential per km is 8 volt and the average resistance per km is 0.5 ohm. the power loss in the wire is | |
| 3287. |
Two point charges placed at a distance r in air exert a force F on each other. What will be the distance at which they will experience force 4F, when placed in a medium of dielectric constant 16? |
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Answer» Two point charges placed at a distance r in air exert a force F on each other. What will be the distance at which they will experience force 4F, when placed in a medium of dielectric constant 16? |
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| 3288. |
what is the deffinaton of reflection? |
| Answer» what is the deffinaton of reflection? | |
| 3289. |
a conducting ring of radius 'a' falls vertically downward with a velocity v0 in a horizontal magnetic field B. the potential difference between two points P and Q located symmetrically on both sides of the vertical will be \lbrack\angle POQ =60° |
| Answer» a conducting ring of radius 'a' falls vertically downward with a velocity v0 in a horizontal magnetic field B. the potential difference between two points P and Q located symmetrically on both sides of the vertical will be \lbrack\angle POQ =60° | |
| 3290. |
What are the effects of storms? |
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Answer» What are the effects of storms? |
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| 3291. |
Which kind of a mirror is used to see the enlarged image of the object? |
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Answer» Which kind of a mirror is used to see the enlarged image of the object? |
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| 3292. |
If the key in the arrangement (Figure) is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are |
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Answer» If the key in the arrangement (Figure) is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are
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| 3293. |
a box is going along a straight line by a machine.the power of machine is proportional to t^n.the distance covered by the box in time t is proportional to what? |
| Answer» a box is going along a straight line by a machine.the power of machine is proportional to t^n.the distance covered by the box in time t is proportional to what? | |
| 3294. |
Among the given options, which is/are the effects of volcano eruption? |
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Answer» Among the given options, which is/are the effects of volcano eruption? |
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| 3295. |
The temperature of a body falls from 40∘C to 36∘C in 5 minutes, when placed in a surrounding at a constant temperature of 16∘C. Find the time taken for the temperature of the body to become 32∘C. |
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Answer» The temperature of a body falls from 40∘C to 36∘C in 5 minutes, when placed in a surrounding at a constant temperature of 16∘C. Find the time taken for the temperature of the body to become 32∘C. |
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| 3296. |
By sucking through a straw a boy reduces the pressure of his lungs to 750 mm of Hg. Using straw he drins water from a maximum depth of? |
| Answer» By sucking through a straw a boy reduces the pressure of his lungs to 750 mm of Hg. Using straw he drins water from a maximum depth of? | |
| 3297. |
Image is formed when |
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Answer» Image is formed when
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| 3298. |
Find angle θ for the following ray diagram: |
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Answer» Find angle θ for the following ray diagram: |
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| 3299. |
A car coverS th of a distance at a speed of1.th of the distance at a speed of80 km/h and60 km/h. Average speed of car for complete journey is(1) 65 km/h(2) 70.5 km/h(4) 77.5 km/h(3) 66.67 km/h2/5 31L |
| Answer» A car coverS th of a distance at a speed of1.th of the distance at a speed of80 km/h and60 km/h. Average speed of car for complete journey is(1) 65 km/h(2) 70.5 km/h(4) 77.5 km/h(3) 66.67 km/h2/5 31L | |
| 3300. |
Why don't we see the sunlight directly in its seven shades i.e., VIBGYOR? |
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Answer» Why don't we see the sunlight directly in its seven shades i.e., VIBGYOR? |
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