Question

A heat producing device should be used in an electrical circuit. This device
should have
a) high resistance and high melting point
b) low resistance and low melting point
c) high resistance and low melting point
d) low resistance and high melting point
An object at a disatnce of +15cm is slowly move towards the pole of a convex
mirror, the image will be
a) shortened and real
b) enlarged and real
c) enlarge and virtual
d) diminished and virtual​

Answer 1

Answer:

1) (a) is a right answer

2

Answer 2

Answer:

a) high resistance and high melting point

b)enlarged and real