Physics (General Science) : All SSC Exams Previous Years Questions Papers Solved Part 13

Q.1:- Rain drop falls from great height. Which among the following statements is true regarding it ?

1. They fall with that ultimate velocity, which are different for different droplets
2. They fall with same ultimate velocity
3. Their velocity increases and they fall with different velocity on the earth
4. Their velocity increases and they fall with same velocity on the earth

Q.2:- How much calorie of energy is released by a boiled egg ?

1. 40
2. 50
3. 60
4. 77

Q.3:- A boat will submerge when it displaces water equal to its own ?

1. Volume
2. Weight
3. Surface area
4. Density

Q.4:- What apparatus is used to locate a submerged object ?

1. Radar
2. Sonar
3. Quasar
4. Pulsar

Q.5:- The substance which conducts current in the solid state is ?

1. Diamond
2. Graphite
3. Iodine
4. Sodium Chloride

Q.6:- What is colour of light related to ?

1. Amplitude
2. Frequency
3. Quality
4. Velocity

Q.7:- The different colours of different stars are due to the variation of ?

1. Temperature
2. Pressure
3. Density
4. Radiation from them

Q.8:- Holography is a technique of ?

1. Recording a permanent, sharp two dimensional black and white or multicolour photograph
2. Recording a permanent three dimensional multicolour photograph
3. Recording a permanent three dimensional black and white photograph
4. Recording permanent three dimensional photograph of a given single colour or a multicolour

Q.9:- Which of the following laws validates the statement that matter can neither be created nor destroyed ?

1. Law of conservation of energy
2. Le Chatelier’s Principle
3. Law of conservation of mass
4. Law of Osmosis

Q.10:- The reason for a swimming pool to appear less deep than the actual depth is ?

1. Refraction
2. Light Scattering
3. Reflection
4. Interference

Q.11:- Which colour is the complementary colour of yellow ?

1. Blue
2. Green
3. Orange
4. Red

Q.12:- Alternating current is converted into direct current by a ?

1. Transformer
2. Dynamo
3. Oscillator
4. Rectifier

Q.13:- Why two thin shirts can keep us warmer than a single thick shirt in winter ?

1. Two thin shirts become thicker so prevent transmission of heat
2. Air layer between two shirts works as good conductor
3. Air layer between two shirts behaves like insulating media
4. No radiation of heat takes place

Q.14:- One can distinguish a telescope from a microscope by observing ?

1. Length
2. Colour
3. Size of the lens
4. Length and size of the lens

Q.15:- Refrigeration is a process which ?

1. Kills bacteria
2. Slow down the bacterial growth
3. Inactivates the bacteria
4. Plasmolyses the bacteria

Q.16:- When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is ?

1. Below a certain minimum value irrespective of amount of water in the pail
2. Above a certain minimum value irrespective of amount of water in the pail
3. Above a certain minimum value depending on amount of water in the pail
4. Below a certain minimum value depending on amount of water in the pail

Q.17:- Electric current in a metal wire is due to the flow of ?

1. Electrons
2. Protons
3. Ions
4. Holes

Q.18:- In a diesel engine the high temperature needed to ignite the fuel is achieved by ?

1. Using heat from exhaust
2. The battery
3. Compressing air in the cylinders
4. An electrical spark

Q.19:- Which of the following liquids is most viscous ?

1. Oil
2. Milk
3. Water
4. Petrol

Q.20:- Steam at 100 deg C causes more severe burns than water at 100 deg C because ?

1. Steam has no specific heat capacity
2. Steam has latent heat of vaporisation
3. Water has no specific heat capacity
4. Water has latent heat of fusion

Q.21:- When a running car stops suddenly, the passengers tends to lean forward because of ?

1. Centrifugal force
2. Inertia of rest
3. Inertia of motion
4. Gravitational force

Q.22:- A small gap is left at the joints of rails in a railway track to ?

1. Avoid the tracks being distorted due to seasonal temperature variation
2. Avoid the heating of tracks to high temperature
3. Control the speed of train
4. Keep the rails equidistant

Q.23:- The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall ?

1. Depends on the thickness of the wall
2. Increases with height of the wall
3. Increases with depth of the wall
4. Depends on the area of the wall

Q.24:- Light scattering takes place in ?

1. Colloidal solutions
2. Acidic Solutions
3. Electrolyte Solutions
4. Basic Solutions

Q.25:- A wheel barrow is an example of ?

1. Class III lever
2. Pulley system
3. Class I lever
4. Class II lever