InterviewSolution
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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.
| 3051. |
30gm ice at 0℃ is mixed with 25gm 100℃ Find the final temperature and composition. |
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Answer» 30gm ice at 0℃ is mixed with 25gm 100℃ Find the final temperature and composition. |
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| 3052. |
What is interparticle force of attraction |
| Answer» What is interparticle force of attraction | |
| 3053. |
to what factor does the time period of recolution of a planet be increased so that its distance from the sun is increaaed 100 times |
| Answer» to what factor does the time period of recolution of a planet be increased so that its distance from the sun is increaaed 100 times | |
| 3054. |
Why is it difficult to light a matchstick by striking it on a smooth surface ? |
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Answer» Why is it difficult to light a matchstick by striking it on a smooth surface ? |
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| 3055. |
So2 with hno3 gives? |
| Answer» So2 with hno3 gives? | |
| 3056. |
A man pulls a rope of negligible mass attached to a block.The man wears shoes that does not slip on the floor.the block moves towards the stationary man. "The man remains stationary" Substantiate the statement based on the various forces acting on them? |
| Answer» A man pulls a rope of negligible mass attached to a block.The man wears shoes that does not slip on the floor.the block moves towards the stationary man. "The man remains stationary" Substantiate the statement based on the various forces acting on them? | |
| 3057. |
A light ray is incident on a flat surface, making an angle of 30∘with the surface. What is the angle between the surface and the normal? |
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Answer» A light ray is incident on a flat surface, making an angle of 30∘with the surface. What is the angle between the surface and the normal? |
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| 3058. |
How many cells of 1.5 V will be needed to make a 9 V battery? |
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Answer» How many cells of 1.5 V will be needed to make a 9 V battery? |
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| 3059. |
A bullet of mass 20 g moving with a velocity of 100 m/s strikes a wooden block of mass 80 g and gets embedded into it. Calculate velocity of the combined system. |
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Answer» A bullet of mass 20 g moving with a velocity of 100 m/s strikes a wooden block of mass 80 g and gets embedded into it. Calculate velocity of the combined system. |
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| 3060. |
Help Jax convert the time shown on the analog clock to how it will be displayed on a digital clock. Tap on the correct option. |
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Answer» Help Jax convert the time shown on the analog clock to how it will be displayed on a digital clock. Tap on the correct option. |
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| 3061. |
25. What is difference between intercept and intersect |
| Answer» 25. What is difference between intercept and intersect | |
| 3062. |
What will happen if something travels at speed of light? |
| Answer» What will happen if something travels at speed of light? | |
| 3063. |
State the factors that determine (a) the pitch of a note. (b) the loudness of the sound heard. (c) the quality of the note. |
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Answer» State the factors that determine (a) the pitch of a note. (b) the loudness of the sound heard. (c) the quality of the note. |
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| 3064. |
Give examples of two non-contact forces and explain each briefly. |
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Answer» Give examples of two non-contact forces and explain each briefly. |
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| 3065. |
46. Q. The upper half of an inclined plane of inclination Ө is perfectly smooth while lower half is rough. A block starting from rest at the top of the plane will again come to rest at the bottom, if the coefficient of friction between the block and lower half of the plane is given by 1) 2/ tan Ө 3) 2tan Ө 4) tan Ө 5) 1/ tan Ө |
| Answer» 46. Q. The upper half of an inclined plane of inclination Ө is perfectly smooth while lower half is rough. A block starting from rest at the top of the plane will again come to rest at the bottom, if the coefficient of friction between the block and lower half of the plane is given by 1) 2/ tan Ө 3) 2tan Ө 4) tan Ө 5) 1/ tan Ө | |
| 3066. |
Define light year. How many kilometres make 1 light year? |
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Answer» Define light year. How many kilometres make 1 light year? |
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| 3067. |
An object 5 cm long and a pencil 10 cm long are placed in front of a pinhole camera such that their images have the same length.Find the ratio of the distances of object from the pinhole to that of the pencil? |
| Answer» An object 5 cm long and a pencil 10 cm long are placed in front of a pinhole camera such that their images have the same length.Find the ratio of the distances of object from the pinhole to that of the pencil? | |
| 3068. |
Why sugar solution is not a good conductor but salt solution is? |
| Answer» Why sugar solution is not a good conductor but salt solution is? | |
| 3069. |
73.Three sound waves of equal amplitudes have frequency (n-1), n, (n+1). They superimpose to give beats. What is the number of beats produced per second? |
| Answer» 73.Three sound waves of equal amplitudes have frequency (n-1), n, (n+1). They superimpose to give beats. What is the number of beats produced per second? | |
| 3070. |
the potential energy u of a particle varies with dis†an ce x from a fixed origin as u=A\sqrt{x } /x+B,where A and B are cons†an ts.the dimensions of A and B are respectively |
| Answer» the potential energy u of a particle varies with dis†an ce x from a fixed origin as u=A\sqrt{x } /x+B,where A and B are cons†an ts.the dimensions of A and B are respectively | |
| 3071. |
How can you charge a conductor positively by conduction? |
| Answer» How can you charge a conductor positively by conduction? | |
| 3072. |
What is dorsal root ganglia of spinal cord, and where it is present ? |
| Answer» What is dorsal root ganglia of spinal cord, and where it is present ? | |
| 3073. |
A ball is moving with velocity 15 ms and is reflected back with velocity 20 ms it of change kinetic energy of ball is 8.75 J .then find change In momentum of ball |
| Answer» A ball is moving with velocity 15 ms and is reflected back with velocity 20 ms it of change kinetic energy of ball is 8.75 J .then find change In momentum of ball | |
| 3074. |
A thin metallic spherical shell contains a charge Oon it. A point charge q place at the centre of shelland charge q) is placed outside it. The force onthe charge at centre due to charge on the shell is |
| Answer» A thin metallic spherical shell contains a charge Oon it. A point charge q place at the centre of shelland charge q) is placed outside it. The force onthe charge at centre due to charge on the shell is | |
| 3075. |
What is an elastic materialmedium and why is it required for the propagation of sound waves? |
| Answer» What is an elastic materialmedium and why is it required for the propagation of sound waves? | |
| 3076. |
What is newton's law of motion? |
| Answer» What is newton's law of motion? | |
| 3077. |
How can we define pressure? |
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Answer» How can we define pressure? |
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| 3078. |
Find the degree measures corresponding to the following radian measures: (use π=227)(i) 1116 radian(ii) −4 radian(iii) 5π3 radian(iv) 7π6 radian |
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Answer» Find the degree measures corresponding to the following radian measures: (use π=227) (i) 1116 radian (ii) −4 radian (iii) 5π3 radian (iv) 7π6 radian |
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| 3079. |
A beam with a rectangular cross section of size 250 mm wide and 350 mm deep is prestressed by a force of 400 kN using number 7 mm ϕ steel cables located at an eccentricity of 75 mm. Determine the loss of prestress due to creep of concrete. Grade of concrete is M 40; Coefficient of creep is 2; stress at transfer is 80%, Modulus of elasticity of steel (Es) is 2.0 x 105 MPa. |
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Answer» A beam with a rectangular cross section of size 250 mm wide and 350 mm deep is prestressed by a force of 400 kN using number 7 mm ϕ steel cables located at an eccentricity of 75 mm. Determine the loss of prestress due to creep of concrete. Grade of concrete is M 40; Coefficient of creep is 2; stress at transfer is 80%, Modulus of elasticity of steel (Es) is 2.0 x 105 MPa. |
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| 3080. |
1.What is kjeldahl and Dumas formula? |
| Answer» 1.What is kjeldahl and Dumas formula? | |
| 3081. |
A boy measures the length of a pencil and expresses it to be 2.6cm. What is the accuracy of measurement? Can he write it as 2.60cm. |
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Answer» A boy measures the length of a pencil and expresses it to be 2.6cm. What is the accuracy of measurement? Can he write it as 2.60cm. |
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| 3082. |
If the angle between the plane mirror and the incident ray is 40°, what are the angles of incidence and reflection? |
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Answer» If the angle between the plane mirror and the incident ray is 40°, what are the angles of incidence and reflection? |
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| 3083. |
Give examples to show that friction depends on the nature of two surfaces in contact. |
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Answer» Give examples to show that friction depends on the nature of two surfaces in contact. |
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| 3084. |
What is ionization enthalpy |
| Answer» What is ionization enthalpy | |
| 3085. |
The displacement of particles in a string stretched in x direction is represented by y . Among the following expressions for y those describing traveling wave motion are (a)coskxsinwt (b)k²x²-w²t² (c)cos²(kx-wt) (d)cos(k²x²-w²t²) |
| Answer» The displacement of particles in a string stretched in x direction is represented by y . Among the following expressions for y those describing traveling wave motion are (a)coskxsinwt (b)k²x²-w²t² (c)cos²(kx-wt) (d)cos(k²x²-w²t²) | |
| 3086. |
Which of the following does not have a streamlined shape? |
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Answer» Which of the following does not have a streamlined shape? |
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| 3087. |
How is the size of a degree defined on a Celsius scale and on a Fahrenheit scale? |
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Answer» How is the size of a degree defined on a Celsius scale and on a Fahrenheit scale? |
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| 3088. |
what is th mirror formula |
| Answer» what is th mirror formula | |
| 3089. |
latent heat of ice is 80cal/gm .a man melts 60 gm of ice by chewing in 1 minute .His power is |
| Answer» latent heat of ice is 80cal/gm .a man melts 60 gm of ice by chewing in 1 minute .His power is | |
| 3090. |
Why can't we feel the electricity that is transmitted in the nervous system ? |
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Answer» Why can't we feel the electricity that is transmitted in the nervous system ? |
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| 3091. |
25. A uniform rod of length L oscillates through smallangle about a point x from its centre i. If its angular frequency is maximum then value of x will be 1) L/\surd12 2)L/\surd2 3) L/\surd3 4) L/ |
| Answer» 25. A uniform rod of length L oscillates through smallangle about a point x from its centre i. If its angular frequency is maximum then value of x will be 1) L/\surd12 2)L/\surd2 3) L/\surd3 4) L/ | |
| 3092. |
How do we sip liquids using a straw? |
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Answer» How do we sip liquids using a straw? |
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| 3093. |
When the disc of GLE is touched with positively charged glass rod the charge on the leaves of GLE is : |
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Answer» When the disc of GLE is touched with positively charged glass rod the charge on the leaves of GLE is : |
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| 3094. |
Give scientifcic reasons:a. It is essential to change the tension on the vocal cords, as we produce different sound notes from our larynx.b. Astronauts on the moon can not hear each other directly.c. As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other. |
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Answer» Give scientifcic reasons: a. It is essential to change the tension on the vocal cords, as we produce different sound notes from our larynx. b. Astronauts on the moon can not hear each other directly. c. As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other. |
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| 3095. |
A plane wavefront is travelling from air to glass, as shown in the diagram. The ratio of width of wavefront in air to that in glass, is |
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Answer» A plane wavefront is travelling from air to glass, as shown in the diagram. The ratio of width of wavefront in air to that in glass, is |
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| 3096. |
An experiment is performed to obtain the value of acceleration due to gravity g by using a simple pendulum of length L. Inthis experiment time for 100 oscillations is measured by using a watch of 1 second least count and the value is 90.0 seconds.The length L is measured by using a meter scale of least count 1 mm and the value is20.0 cm. The error in the determination of g would be1.7% .2.7% 4.4% 2.27% |
| Answer» An experiment is performed to obtain the value of acceleration due to gravity g by using a simple pendulum of length L. Inthis experiment time for 100 oscillations is measured by using a watch of 1 second least count and the value is 90.0 seconds.The length L is measured by using a meter scale of least count 1 mm and the value is20.0 cm. The error in the determination of g would be1.7% .2.7% 4.4% 2.27% | |
| 3097. |
A uniform chain of length 12 cm and mass 2 kg is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. if g is the acceleration due to gravity, the work required to pull the hanging part on the table is[take g=10m/s^2] |
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Answer» A uniform chain of length 12 cm and mass 2 kg is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. if g is the acceleration due to gravity, the work required to pull the hanging part on the table is [take g=10m/s^2] |
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| 3098. |
Anengine pumps up 100 kg water through a height of 10 m in 5s. Given that theefficiency of the engine is 60%. If g = 10 m/s2, then the power ofthe engine is |
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Answer» An |
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| 3099. |
Speed of the sound wave is given by, v =_____. |
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Answer» Speed of the sound wave is given by, v =_____. |
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| 3100. |
What is the focal length of convex lens of eyes. Does it mean the distance between F1 and optical centre or the distance between F2 and the optical centre |
| Answer» What is the focal length of convex lens of eyes. Does it mean the distance between F1 and optical centre or the distance between F2 and the optical centre | |
