nabilarizwan0987 nabilarizwan0987

12-12-2022
Physics

Answered

xvii. Heat travels from one end of an iron rod to the other end by
A Convection
B Radiation
C Conduction
D Vibration
xix. Which one of the following statements about heat transfer is incorrect?
A Convection can take place in a vacuum.
B Convection can take place in a liquid.
C A convection current can be present in gas.
D Sun heats up the earth by convection.
xx. When matters changes state, its temperature:
A Increases
B Decreases
C Changes to the temperature of surrounding.
D Remains same.

xvii Heat travels from one end of an iron rod to the other end by A Convection B Radiation C Conduction D Vibration xix Which one of the following statements ab class=

Answer :

Other Questions

Two protons (charge q = 1.602·10-19 C) move at the same speed v= 1.6 ·105 m/s in opposite directions parallel to the x-axis. At the instant when they are at t

A beam of electrons moves at velocity 4.6 ⋅105 m/s in the positive x direction through a uniform 2.8 T magnetic field pointing in the positive y direction. Wha

(1)An antiaircraft shell is fired vertically upward with a nuzzle velocity of 1000 ms¹. Calculate Maximum height it can attain Time taken to reach maximum heigh

The current theory of the structure of the Earth, called plate tectonics, tells us that the continents are in constant motion. Assume that the North American co

Equal masses of two different liquids have the same temperature of 28.7 °C. Líquid A has a freezing point of -69.0 °C and a specific heat capacity of 1710 J/(kg

2.00 x 1020 electrons flow through a cross section of a 4.20-mm-diameter iron wire in 5.50 s. You may want to review (Page). Part A What is the electron drift s

b. A strong wind blows at 30ms¹ eastward. What is the resultant velocity (both size and direction) of a plane flying due North at 10ms¹ (4) State your answers c

Each croquet ball in a set has a mass of 0.46 kg. The green ball, traveling at 10.6 m/s, strikes the blue ball, which is at rest. Assuming that the balls slide

An ant starts at one edge of a long strip of paper that is 30.8 cm wide. She travels at 0.6 cm/s at an angle of 40◦ with the long edge. How long will it take he

Which of the following statement(s) about light is/are correct? (I) light travels faster than sound in air (II) light cannot travel through a vacuum (III) a rou