Aphysicist lost in the mountains tries to make a telescope using the lenses from his reading glasses. they have powers of 1.5 d and 4.0 d , respectively. what maximum magnification telescope is possible?
which lens should be used as the eyepiece?

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.