Advertisements
Advertisements
प्रश्न
If in the following figure, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
Advertisements
उत्तर
No, the bulb will not glow. It is because wood is a non-conductor of electricity.
APPEARS IN
संबंधित प्रश्न
Write the properties of this substance.
Salt
What is it made from? Why?
A screwdriver
What will happen if....? And why?
Nails are made of plastic.
Very Short Answer Type Question:
Which is more hard, sponge or iron?
Short Answer Type Question:
Metals generally occur in solid state and are hard. Name a metal that exists in liquid state and a metal that is soft and can be cut with knife.
Short Answer Type Question:
Why is water called a universal solvent?
Find the odd one out from the following:
Materials which can be drawn into wires are called ductile. Which of the following is not a ductile material?
Find out the names of three metals and three non-metals from the box given as figure.
During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table below. Help them in filling the table.
| Name of the material |
Appearance (Hard/Soft) |
Transparency (Transparent/ Translucent/ Opaque) |
Floats/ Sinks in water |
Soluble/ Insoluble in water |
