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.
| 1901. |
if a and b are position vectors of A nd B then the position vector of a point C in AB prouced such that AC=3AB |
| Answer» if a and b are position vectors of A nd B then the position vector of a point C in AB prouced such that AC=3AB | |
| 1902. |
Three identical bulbs P, Q and R are connected to a battery as shown in figure. When the circuit is closed |
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Answer» Three identical bulbs P, Q and R are connected to a battery as shown in figure. When the circuit is closed |
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| 1903. |
54.30 BULBS ARE CONNECTED IN SERIES.IF ONE BULB IS FUSED AND THE REMAINING 29 BULBS ARE JOINED IN SERIES AND CONNECTED TO THE SAME SUPPLY,THE LIGHT IN THE ROOM WILL BE ------------? (INCREASED/DECREASED/REMAINS SAME) |
| Answer» 54.30 BULBS ARE CONNECTED IN SERIES.IF ONE BULB IS FUSED AND THE REMAINING 29 BULBS ARE JOINED IN SERIES AND CONNECTED TO THE SAME SUPPLY,THE LIGHT IN THE ROOM WILL BE ------------? (INCREASED/DECREASED/REMAINS SAME) | |
| 1904. |
Water and wind are |
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Answer» Water and wind are |
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| 1905. |
An observer starts to move with a velocity of 5 m/s as shown in the figure. For what time interval the observer will be able to see his own image in the mirror after he starts moving. |
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Answer» An observer starts to move with a velocity of 5 m/s as shown in the figure. For what time interval the observer will be able to see his own image in the mirror after he starts moving. |
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| 1906. |
Is there any objects which is at complete rest in earth since earh is moving? |
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Answer» Is there any objects which is at complete rest in earth since earh is moving? |
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| 1907. |
Which part of Earth gets maximum heat from the sunlight? |
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Answer» Which part of Earth gets maximum heat from the sunlight? |
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| 1908. |
Question 24You are given three mirrors of different types. How will you identify each one of them? |
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Answer» Question 24 You are given three mirrors of different types. How will you identify each one of them? |
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| 1909. |
The speed of an object that covers a distance of 5 m in 10 s is ______ m/s.0.5 |
Answer» The speed of an object that covers a distance of 5 m in 10 s is ______ m/s.
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| 1910. |
Which of the following will have least electron gain enthalpy ? Options: O S Se Te |
| Answer» Which of the following will have least electron gain enthalpy ? Options: O S Se Te | |
| 1911. |
Which of the following effects electromagnets based on? |
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Answer» Which of the following effects electromagnets based on? |
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| 1912. |
when cathode ray strike a metal target of high melting point with a very high velocity by applying a voltage v, then a ray is produced whose minium wavelength is proportional to(option are in terms of voltage v) |
| Answer» when cathode ray strike a metal target of high melting point with a very high velocity by applying a voltage v, then a ray is produced whose minium wavelength is proportional to(option are in terms of voltage v) | |
| 1913. |
One day, Tom was chasing Jerry. Tom was running at a speed of 3m/s and Jerry was at 2m/s. Then what will be their relative speed? |
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Answer» One day, Tom was chasing Jerry. Tom was running at a speed of 3m/s and Jerry was at 2m/s. Then what will be their relative speed? |
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| 1914. |
To build a computer, you need to buy a motherboard for ₹1200, a CPU for ₹800, RAM memory for ₹500, storage for ₹300, a case for ₹200, and a power supply for ₹100. What is the cost of building 10 computers? |
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Answer» To build a computer, you need to buy a motherboard for ₹1200, a CPU for ₹800, RAM memory for ₹500, storage for ₹300, a case for ₹200, and a power supply for ₹100. What is the cost of building 10 computers? |
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| 1915. |
One day Sandy misses the school bus and has to walk to school. On the way to school, he realizes that his shadow is very long. During his recess, he notices his shadow is shorter. On his way from home to school, he looked carefully at his shadow and he notices that his shadow has become really, really, long. He started worrying that his shadow is growing. On which parameter do you think that the length of Sandy's shadow is depending on? |
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Answer» One day Sandy misses the school bus and has to walk to school. On the way to school, he realizes that his shadow is very long. During his recess, he notices his shadow is shorter. On his way from home to school, he looked carefully at his shadow and he notices that his shadow has become really, really, long. He started worrying that his shadow is growing. On which parameter do you think that the length of Sandy's shadow is depending on? |
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| 1916. |
A girl stands at a distance 30cm from the mirror. She is able to see her erect image but of 1/5 height of actual height. The mirror will be (a) plane mirror (b) concave mirror (c) convex mirror (d) plane convex mirror |
| Answer» A girl stands at a distance 30cm from the mirror. She is able to see her erect image but of 1/5 height of actual height. The mirror will be (a) plane mirror (b) concave mirror (c) convex mirror (d) plane convex mirror | |
| 1917. |
Which of the following(s) are generally good conductors of electricity? |
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Answer» Which of the following(s) are generally good conductors of electricity? |
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| 1918. |
A train is moving with a speed of 40 ms−1. On applying the brakes, it comes to rest in 20 s. What is the magnitude of average acceleration of the train? |
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Answer» A train is moving with a speed of 40 ms−1. On applying the brakes, it comes to rest in 20 s. What is the magnitude of average acceleration of the train? |
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| 1919. |
The wavelength of waves produced on the surface of water is 20 cm. If the wave velocity is 24 m/s, then calculate the frequency of the wave. |
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Answer» The wavelength of waves produced on the surface of water is 20 cm. If the wave velocity is 24 m/s, then calculate the frequency of the wave. |
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| 1920. |
In some situations even though the liquid is conducting, the bulb in the tester may not glow. Why? How do we test the conductivity in such cases? [3 MARKS] |
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Answer» In some situations even though the liquid is conducting, the bulb in the tester may not glow. Why? How do we test the conductivity in such cases? [3 MARKS] |
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| 1921. |
A train 280metres long is running at a speed of 42km./hr.How much time will it take to pass a man standing on platform. |
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Answer» A train 280metres long is running at a speed of 42km./hr.How much time will it take to pass a man standing on platform. |
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| 1922. |
The best and the poorest conductors of heat are respectively |
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Answer» The best and the poorest conductors of heat are respectively |
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| 1923. |
25. What is the relation between vant Hoff factor(i) and vapour pressure? |
| Answer» 25. What is the relation between vant Hoff factor(i) and vapour pressure? | |
| 1924. |
44.The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance 4cm from centre is54micro tesla. what it's value at centre of the loop. |
| Answer» 44.The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance 4cm from centre is54micro tesla. what it's value at centre of the loop. | |
| 1925. |
What is a flood? List the causes and the effects for a flood. |
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Answer» What is a flood? List the causes and the effects for a flood. |
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| 1926. |
A rec†an gular circuit is ABCD, whse point A is only earthened. Side AB has a battery of 3V(-ve terminal conncted to A) and a resis†an ce of 3Ω(between +ve terminal of battery and point B). Side BC has a battery of 7V(-ve terminal conneted to point B) and a resis†an ce of 3Ω(between +ve terminal of battery and point C). Side CD has a battery of 2V(+ve terminal connected to point C) and a resis†an ce of 3Ω(between -ve terminal of battery and point D). Side DA has a battery of 4V(+ve terminal connected to point A) and a resis†an ce of 3Ω(between -ve terminal of battery and point D). Now draw the circuit and find the potential of point C. |
| Answer» A rec†an gular circuit is ABCD, whse point A is only earthened. Side AB has a battery of 3V(-ve terminal conncted to A) and a resis†an ce of 3Ω(between +ve terminal of battery and point B). Side BC has a battery of 7V(-ve terminal conneted to point B) and a resis†an ce of 3Ω(between +ve terminal of battery and point C). Side CD has a battery of 2V(+ve terminal connected to point C) and a resis†an ce of 3Ω(between -ve terminal of battery and point D). Side DA has a battery of 4V(+ve terminal connected to point A) and a resis†an ce of 3Ω(between -ve terminal of battery and point D). Now draw the circuit and find the potential of point C. | |
| 1927. |
'X' is the mode of transmission of heat that takes place by the movement of particles. Identify 'X'. |
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Answer» 'X' is the mode of transmission of heat that takes place by the movement of particles. Identify 'X'. |
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| 1928. |
Rubber is a good example of: |
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Answer» Rubber is a good example of: |
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| 1929. |
Find the value of the angle, ∠XAB, in the rhombus ABCD. |
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Answer» Find the value of the angle, ∠XAB, in the rhombus ABCD. |
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| 1930. |
Question 4 (b) Fill in the blank with a suitable word. Loudness is determined by the ________of vibration. |
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Answer» Question 4 (b) |
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| 1931. |
why does rough surface have greater friction than smooth surface? |
| Answer» why does rough surface have greater friction than smooth surface? | |
| 1932. |
58.A small object is 10 cm in front of a plane mirror.A man stands 30cm from the mirror,behind the object and looks at the object's image.At what distance should he focus his eyes to see the image? |
| Answer» 58.A small object is 10 cm in front of a plane mirror.A man stands 30cm from the mirror,behind the object and looks at the object's image.At what distance should he focus his eyes to see the image? | |
| 1933. |
Draw the symbols to represent the following components of electric circuits: Cell, bulb, switch in the ‘ON’ position, switch in the ‘OFF’ position, and battery. |
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Answer» Draw the symbols to represent the following components of electric circuits: Cell, bulb, switch in the ‘ON’ position, switch in the ‘OFF’ position, and battery. |
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| 1934. |
The zero-error in the spring balance shown and the correct weight of the solid, suspended from it, are equal, respectively, to :(1) + 2g wt; 19g wt(2) + 2g wt; 15g wt(3) − 2g wt; 19g wt(4) − 2g wt; 15g wt |
Answer» The zero-error in the spring balance shown and the correct weight of the solid, suspended from it, are equal, respectively, to : (1) + 2g wt; 19g wt (2) + 2g wt; 15g wt (3) − 2g wt; 19g wt (4) − 2g wt; 15g wt |
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| 1935. |
A charged wire is bent in the form of a semi circular arc if radius a. If charge per unit length is lambda C/m, the electric field at the centre O is? |
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Answer» A charged wire is bent in the form of a semi circular arc if radius a. If charge per unit length is lambda C/m, the electric field at the centre O is? |
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| 1936. |
Laws of reflection is also follow on irregular surface |
| Answer» Laws of reflection is also follow on irregular surface | |
| 1937. |
A plane mirror is placed at a distance 12.5cm from focus of a concave mirror of radius of curvature 20cm. Find where an object can be placed between the two mirrors, so that the first image in both the mirrors coincide. |
| Answer» A plane mirror is placed at a distance 12.5cm from focus of a concave mirror of radius of curvature 20cm. Find where an object can be placed between the two mirrors, so that the first image in both the mirrors coincide. | |
| 1938. |
24 An object is dropped from height h Every time it hits the floor, t loses 50% of its kinetic energy The total distance covered by it fromt 0 to t iS (1) 2h (3) 4h 3h (4) 8h |
| Answer» 24 An object is dropped from height h Every time it hits the floor, t loses 50% of its kinetic energy The total distance covered by it fromt 0 to t iS (1) 2h (3) 4h 3h (4) 8h | |
| 1939. |
What actually happens in a prism that light separates? and also blue light through the prism remains the same but why not white light? |
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Answer» What actually happens in a prism that light separates? and also blue light through the prism remains the same but why not white light? |
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| 1940. |
The speed of sound in a vacuum is: |
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Answer» The speed of sound in a vacuum is: |
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| 1941. |
rain is falling with a speed of 30m per second . a women on a bicycle is travellimg with a speed of 10m per second in the north to south direction . in what direction should she hold her umbrella in order to protect herself from rain? with what speed does the rain strike the umbrella? |
| Answer» rain is falling with a speed of 30m per second . a women on a bicycle is travellimg with a speed of 10m per second in the north to south direction . in what direction should she hold her umbrella in order to protect herself from rain? with what speed does the rain strike the umbrella? | |
| 1942. |
A uniform ladder of length 3.25m and weighing 250N is placed against smooth verticl wall with its lower end 1.25m from the wall. If coefficient of friction is 0.3 . Find the friction force between ladder and floor |
| Answer» A uniform ladder of length 3.25m and weighing 250N is placed against smooth verticl wall with its lower end 1.25m from the wall. If coefficient of friction is 0.3 . Find the friction force between ladder and floor | |
| 1943. |
What is the effect of temperature and pressure on solids?If in NaCl on increasing pressure coordination number becomes 8, then what happens on decreasing pressure and decreasing temperature?If in CsCl on increasing temperature coordination number changes to 6 then what happens on decreasing temperature and increasing or decreasing pressure? |
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Answer» What is the effect of temperature and pressure on solids? If in NaCl on increasing pressure coordination number becomes 8, then what happens on decreasing pressure and decreasing temperature? If in CsCl on increasing temperature coordination number changes to 6 then what happens on decreasing temperature and increasing or decreasing pressure? |
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| 1944. |
4.what is meant by joule thomson effect? |
| Answer» 4.what is meant by joule thomson effect? | |
| 1945. |
What should a person do for increasing accuracy if he is getting different values of length of a rod when measuring different times? |
| Answer» What should a person do for increasing accuracy if he is getting different values of length of a rod when measuring different times? | |
| 1946. |
A bus decreases its speed from 80km hr−1 to 60km hr−1 in 5 seconds. What is the acceleration of the bus? |
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Answer» A bus decreases its speed from 80km hr−1 to 60km hr−1 in 5 seconds. What is the acceleration of the bus? |
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| 1947. |
If the speed of a car is 20 ms−1, what is the speed in km h−1?72 |
Answer» If the speed of a car is 20 ms−1, what is the speed in km h−1?
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| 1948. |
What will be equivalent time period if the spring are ….1. are grouped in series2. are grouped in parallel |
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Answer» What will be equivalent time period if the spring are …. 1. are grouped in series 2. are grouped in parallel |
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| 1949. |
when a dc voltage of 200V is applied to a coil of self induc†an ce 2/\sqrt3π H a current of 1 A flows through it.byreplacing dc source with ac source of 200 V,the current is reduced to 0.5A.the frequency of ac supply |
| Answer» when a dc voltage of 200V is applied to a coil of self induc†an ce 2/\sqrt3π H a current of 1 A flows through it.byreplacing dc source with ac source of 200 V,the current is reduced to 0.5A.the frequency of ac supply | |
| 1950. |
The angle between the direction of motion of electrons and the direction of current in an electric circuit is: |
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Answer» The angle between the direction of motion of electrons and the direction of current in an electric circuit is: |
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