DAILY PRACTICE PROBLEMS FOR NSO PHYSICS
DPP : 01
Class – VI
TOPIC : ELECRICITY 1.
For electrical safety, we should use (A) rubber slippers. (B) iron gloves. (C) gold plated shoes. (D) silver plated shoes.
2.
In dry cells, the transformation of energy that takes place is (A) mechanical to electrical. (B) chemical to electrical. (C) mechanical to mechanical. (D) electrical to chemical
3.
Electricity cannot be produced (A) through solar energy. (B) through energy from flowing water. (C) through wind energy. (D) when the sun isn’t shining
4.
There are two substances namely A and B. A allows electricity to pass through it while B does not. Which of the following statements are true based on our observations? (A) A is a conductor & B is an insulator. (B) A and B are conductors. (C) A and B are insulators. (D) B is a conductor and A is an insulator
5.
An example of a device used to open an electric circuit is a (A) cell. (B) switch. (C) battery.
6.
We get electricity in our homes from (A) water station. (B) bus station. (C) power station. (D) train station.
7.
In a torch, electric energy is converted into (A) chemical energy. (C) heat energy.
(D) wire.
(B) mechanical energy. (D) light energy.
8.
The substances which allow electricity to pass through them are known as (A) insulators. (B) non metals. (C) conductors (D) semiconductors.
9.
In a bulb, the part responsible for giving light is the (A) holder (B) outer glass cover. (C) colour of the glass (D) filament
10.
See the given circuit below carefully.
Switch
Electric cell
Electric bulb
11.
Here the bulb : (A) will glow. (C) gets fused.
(B) will not glow. (D) will glow first and then it will get fused.
An electric cell has (A) a positive terminal and a negative terminal. (C) two negative terminal.
(B) two positive terminals. (D) one terminal.
12.
Switches, electric plugs and sockets are made of (A) conductors only. (B) insulators only. (C) conductors but covered with insulators. (D) insulators but covered with conductors
13.
The filament of a bulb is made up of tungsten which is a ............... and a ..................... of electricity. (A) Metal, conductor (B) Metal and insulator. (C) Non metal and conductor. (D) Non metal and insulator.
14.
Wires are covered with rubber or plastic coverings because (A) they improve the flow of current. (B) rubber and plastic are insulators. (C) they increase the life of wires. (D) rubber and plastic provides flexibility to wires
15.
The metal cap of an electric cell acts as a (A) positive terminal. (C) protective device.
(B) negative terminal. (D) source of electricity.
The metal disc of an electric cell acts as a (A) positive terminal. (C) protective device.
(B) negative terminal. (D) source of electricity.
16.
17.
Copper, aluminum and other metals are used for making wires because they are (A) insulators. (B) lustrous. (C) cheaply available. (D) conductors
18.
Air is a/an (A) conductor. (C) Super conductor
(B) insulator. (D) semi conductor
19.
Electric current flows in an electric circuit from the (A) positive terminal to the negative terminal. (B) negative terminal to the positive terminal. (C) conductor to the cell. (D) bulb to the cell
20.
Which of the following is insulator : (A) Wood (B) Plastic
(C) Copper
(D) Both (A)and (B)
DAILY PRACTICE PROBLEMS FOR NSO PHYSICS
DPP :
02
Class – VI
TOPIC :LIGHT 1.
Sunlight consists of (A) black colour only. (B) five colours. (C) seven colours. (D) blue colour
2.
The correct sequence of seven colours of a rainbow is (A) Blue, Orange, Red, White, Purple, Yellow, Green. (B) Violet, Blue, Indigo, Green, Red, Yellow, Orange. (C) Violet, Indigo, Blue, Green, Yellow, Orange, Red. (D)Violet,Blue,Indigo,Yellow,Green,Orange,Red
3.
A kaleidoscope is (A) an optical toy. (B) a magnetic toy. (C) an electrical toy. (D) an electromagnetic toy.
4.
An image obtained by a plane mirror, the left side of an object appears to be (A) the left side of an image. (B) the right side of an image. (C) the top of an image. (D) the bottom of an image
5.
In the side mirror of a car, the size of the images of all the objects appear to be (A) same as that of the size of the objects. (B) smaller than the objects. (C) larger than the objects. (D) of point size.
6.
Objects become visible to us because (A) light is absorbed by them. (B) light is reflected by them before reaching our eyes. (C) they obstruct the path of light. (D) light passes through them.
7.
When light falls on a polished or shiny surface (A) the light is absorbed by it. (B) the direction of light changes. (C) the light gets transmitted. (D) there is no change in its direction
8.
The image formed by a plane mirror will be (A) larger (C) inverted
9.
Doctors use (A) convex mirrors (B) plane mirrors. (C) concave mirrors. (D) combination of concave and convex mirrors
(B) erect. (D) tilted.
10.
The incident ray, the normal at the point of incidence and the reflected ray all lie in (A) different plane. (B) neighboring plane. (C) same plane. (D) opposite plane
11.
In reflection, the angle of incidence is always equal to the (A) angle of reflection. (B) angle of refraction. (C) angle of emergence. (D) angle of diffraction
12.
If angle of incidence is 30 then angle of reflection will be (A) 60. (B) 120. (C) 30.
(D) 90.
13.
If the angle between incident and reflected ray is 50 than find the angle of incidence. (A) 50. (B) 30. (C) 25. (D) 100.
14.
The angle between the incident ray and the normal is known as the (A) angle of reflection. (B) angle of incidence. (C) angle of refraction. (D) angle of transmission.
15.
The angle between the reflected ray and the normal is known as the (A) angle of reflection. (B) angle of incidence. (C) angle of refraction. (D) angle of transmission
16.
If the distance between the object and its image in a plane mirror is 14.6 cm, then the distance of the object from the mirror is (A) 14.6 cm. (B) 7.3 cm. (C) 29.2 cm. (D) 10 cm
17.
An object 5 cm high is placed in front of a plane mirror. The size of the image formed is (A) 2.5 cm. (B) 10 cm. (C) 5 cm. (D) 15 cm.
18.
A candle of 10 cm is placed before 20 cm from the plane mirror. Its image formed will be (A) 10 cm high, placed 20 cm behind the plane mirror. (B) 20 cm high, placed 20 cm behind the plane mirror. (C) 10 cm high, placed before 20 cm from the plane mirror. (D) 20 cm high,placed before 20 cm from the plane mirror.
19.
Reflection from a rough surface is called (A) regular reflection. (B) diffused reflection or irregular reflection. (C) plane reflection. (D) surface reflection.
20.
The word ‘AMBULANCE’ is written in the (A) reverse order on an ambulance. (B) form of its mirror image on an ambulance van. (C) correct order on an ambulance. (D) random order on an ambulance
