Question

5. Electromagnet can be used for separating plastic from Garbage heap.
6. A concave lens can be used to produce an enlarged and erect image​

Answer 1

Answer:

True/False

5. False

6. True

Answer 2

Answer:

1. No, electromagnets attract only magnetic substances. ... Hence, an electromagnet cannot be used for separating plastic bags from a garbage heap.

2. The statement is wrong. A concave lens can only form an erect, diminished and virtual image of an object.

Explanation:

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