Question

True or false
1. I'm compound composition of each new substance is always fixed.
2. In bisexual flower self pollination and cross pollination can take place.
3. Image formed by concave mirror is always real.
4. si unit of power or electric power is watt (W).

Please give me answer quickly.​

Answer 1

1. True

2. True

3. False

4. True

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Answer 2

Answer:

1. True

2. True

3.False-When the object is placed between the pole and the principal focus in front of the concave mirror, then the object formed is virtual. When the object is placed between the pole and focus in front of a concave mirror ,then the image formed virtual .

4. True