# ICSE X/ICSE X Physics [ MCQ Question Answer ] Sample Test,Sample questions

1. 36 KJ

2.0.36 M

3.3.6 MJ

4.0.36 KJ

1. zero J

2.10J

3.100J

4.1000J

## Question: ` How would you relate energy at the top to energy at bottom.`

1.Potential energy is greater than kinetic energy

2.Potential energy is less than kinetic energy

3. Gravitational potential energy is equal to kinetic energy

4.Wind energy is equal to kinetic energy

## Question: ` How would you relate energy at the top to energy at bottom.`

1.Potential energy is greater than kinetic energy

2.Potential energy is less than kinetic energy

3. Gravitational potential energy is equal to kinetic energy

4.Wind energy is equal to kinetic energy

1.ray AB

2.ray BA

3.Segment AB

4.segment BA

## Question: ` The relation between angle of incidence and angle of emergence is:`

1.angle of incidence is greater than angle of emergence

2.angle of emergence is greater than angle of incidence

3.angle of incidence is equal to angle of emergence

4.angle of incidence is half the angle of emergence

## Question: ```A coin is dropped in a glass through containing benzene filled to a depth of 4cm. When viewed from the outside it appears to be raised by 2cm. The refractive index of benzene with respect to air is calculate as```

1.dividing real depth by shift that is [4/2]= 2

2.First finding the apparent depth as real depthshift and then using the relation refractive index 1s Te depth upon apparent depth [4/42)1 2

3.Finding the real depth and then using the relation refractive index is real depth /apparent depth

4.None of the above

## Question: ```A convex lens is used to burn a piece of paper as shown in the figure. What is its focal length and power?```

1.Focal length = 15cm and Power= +6.67 D

2.Focal length greater than 15cm and Power= 6.67 D

3.Focal length less than 15cm and Power less than 6.67 D

4.Focal length equal to 15cm and Power is more than 6.67 D

## Question: ```A girl sitting on a swing and a boy having the same mass as the girl swings to the same height as that of the girl as shown in the figure below. Which of the statements are correct pertaining to the boy and girl.```

1.The boy and girl possess same gravitational potential energy at extreme

2.The boy and girl possess the same total energy during its oscillation

3.Both 1 and 2

4.None of the above

## Question: `Choose the correct statement with respect to Refraction of light`

1.The ray of light does not necessarily deviate from its original path.

2.The light ray bends away from the normal when density of second medium is less than the first medium

3.Speed of light decreases when it enters from one optical rarer medium to another denser medium due to decrease in wavelength of light wave

4.All of the above

## Question: `Describe the type of motion possessed by Charlene`

1.Acrobat

2.Free fall

3.Fall due to gravitational force

4.both 2 and 3

## Question: `Identify the lens which exhibits the following characteristics of image virtual, erect and diminished`

1.Convex lens

2.Concave lens

3.Plano convex lens

4.Concavo convex lens

1.17m

2.18m

3.16.6m

4.17.6m

## Question: `If this lens is blackened at the lower half`

1.The focal length would be halved

2.The focal length is doubled

3.The focal length remains unaffected

4.The focal length is 1/2 th.

## Question: `In case of cranes and hoist the velocity ratio is`

1.number of movable pulleys

2.2number of pulleys

3.Total number of pulleys

## Question: `Is the diagram correct?`

1.Yes

2.No

3.Inlet ray angle must be equal to exit ray angle

4.None of these

## Question: `Name the law which governs the above relation`

1.Newton's law of gravitation

2.Law of conservation of mass

3.Law of conservation of mass

4.Law of conservation of mechanical energy

## Question: ```Ram and Shyam each of mass 45kg reach the fourth floor of a building in time 4 sec and 5 sec respectively: The ratio of their inertia is : ```

1.4:5

2.5:4

3.1:1

4.Information is incomplete

## Question: `Select the correct reason why diamond appears to sparkle in the dark`

1. It has a low critical angle of 24

2. Due to the light getting entrapped inside the diamond as a result of successive total internal reflection.

3.Due to refraction of light

4.both 1 and 2

## Question: `State which of the following statements are true.`

1.Mechanical advantage is always a unitless quantity

2.Velocity ratio is also called displacement ratio

3.Efficiency is always less than one

4.both 1 and 2

## Question: `The energy transformation taking place in an electric fan is`

1.Mechanical energy to electrical energy

2. electrical energy to mechanical energy

3.Mechanical kinetic rotational energy to electrical energy

4.Electrical energy to Mechanical kinetic rotational energy

1.100cm

2.25cm

3.0.25m

4.both 2 and 3

## Question: `The kinetic energy of body becomes one third when`

1.mass is same velocity is tripled

2.mass is doubled and velocity tripled

3.mass is 1/3 while velocity is also 1/3rd

4.mass is tripled and velocity is 1/3rd

1.20kg

2.2kg

3.200g

4.20g

1.deviation

2.refractibility

3.Refrangibility

4.Scattering

## Question: `The mechanical energy possessed by the bucket at height of 7.5m is`

1.potential energy

2.kinetic energy

3.translational kinetic energy

4.gravitational potential energy

## Question: `The refracted ray is................to the base of the prism.`

1.parallel

2.equidistant

3.coplanar and non-intersecting

4.all of the above

## Question: `The relationship to evaluate the efficiency is`

3.work output/ work input

4.power output/ power input

## Question: `The screen is placed at a distance of :`

1.15cm

2.20cm

3.12.5cm

4.data insufficient

1.convex

2.concave lense

3.Concave

4.plano convex

1.150J

2.75J

3.300J

4.50J

## Question: `Two basic forms of mechanical energy are`

1.Elastic potential and vibrational kinetic

2. Gravitational potential and rotational kinetic

3.kinetic energy and potential energy

4.none of the above

1.2kg

2.22kg

3.40kg

4.220kg

## Question: `When a light ray enters from one optical medium to another and bends towards the normal then,`

1.Angle of incidence is less than angle of refraction

2. it is travelling from optically denser medium to optically rarer medium

3.it is travelling from optically rarer medium to a optically denser medium

4.Speed of light remains unchanged.

## Question: `Which form of energy conserved in this case`

1.mechanical energy

2.kinetic energy

3.gravitational potential energy

4.wind energy

## More MCQS

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