Will a rubber ball and a plastic ruler allow heat to pass ? Explain.
A rubber ball and a plastic ruler will not allow heat to pass from them because both rubber and plastic are bad conductors of heat
Related Articles
- Saucepan handles are made of thermosetting plastic because this plastic is a bad conductor of electricity fire resident and heat tolerant. Explain?
- Which of the following has more inertia: a rubber ball and a stone of the same size?
- (a) Name that part of a box-type solar cooler which allow the sun's heat rays to enter the box but does not allow inside heat to go out.(b) Explain why, a plane mirror reflector is used in a box-type solar cooker.
- Prepare a list of conductors and insulators from the following :Rubber, Copper, Aluminium, Tap Water, Plastic, Ebonite
- On what factor does the inertia of a body depend ? Which has more inertia, a cricket ball or a rubber ball of the same size ?
- An iron ball at 40° C is dropped in a mug containing water at 40° C. The heat will(a) flow from iron ball to water.(b) not flow from iron ball to water or from water to iron ball.(c) flow from water to iron ball.(d) increase the temperature of both.
- A plastic ball and a clay ball of equal masses, travelling in the same direction with equal speeds, strike against a vertical wall. From which ball does the wall received a greater amount of momentum?
- Ashoka (A Unique Ruler)
- To demagnetise a magnet using the heating method. Which of the following is the correct step?(A) Heat the magnet to become red hot and allow it to cool in the east-west direction. (B) Heat the magnet to become red hot, and allow it to cool in the north-south direction(C) Heat the magnet in boiling water and allow it to cool in the north - south direction (D) Both A and B
- If a charged plastic straw is brought near another uncharged plastic straw, what will happen?
- Explain why, it is easier to stop a tennis ball than a cricket ball moving with the same speed.
- A person has to make a non-stick pan. He has three types of plastic-Bakelite, Teflon and PVC. Which plastic will he use for coating and why?
- Using ruler and compasses only, draw a right angle.
- The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?
- A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before coming to rest. To make the same, ball travel longer distance before coming to rest, he may $(a)$. spread a carpet on the wooden surface$(b)$. cover the ball with a piece of cloth$(c)$. sprinkle talcum powder on the wooden surface$(d)$. sprinkle sand on the wooden surface
Kickstart Your Career
Get certified by completing the course
Get Started