An image formed by a plane mirror is a/an
Virtual image
Real image
Inverted image
None of these
Heat energy can be transferred in
Two ways
Three ways
Six ways
four ways
Which of the following is denoted by P.?
Principle focus
Pole
Principal axis
The clinical thermometer is used to check when you have
Cough
Headache
Fever
Sorethroat
A spherical mirror in which the outer surface is reflecting is called a
Concave mirror
Convex mirror
Plane mirror
A very narrow tube in a thermometer is called a
Capillary tube
Vascular tube
Electrical tube
In a concave mirror, if the object is at the focus, the image is
At infinity
At the focus
Behind the mirror
At the centre of curvature
Which of the following is the S.I unit of energy?
Joule
Calorie
Kilocalorie
Newton
The shiny liquid metal in the thermometer is
Copper
Iron
Silver
Mercury
A mirror in which the inner hollow surface is the reflecting surface is called a