1. I knew a man was following me, I was scared out of my wits. (very frightened)
2. I got a fright when I realised how close I was to the cliff edge. (Too scared to move)
3. He nearly jumped out of his skin when he saw the bull coming towards him. (so much frightened by something that happens suddenly)
4. You really gave me a fright when you crept up behind me like that. (frightened by something that happens suddenly)
5. Wait until I tell his story — it will make your hair stand on end. (very frightened)
6. Paralysed with fear, the boy faced his abductors. (too scared to move)
7. The boy hid behind the door, not moving a muscle. (too scared to move)
(i) The kind of person the doctor is (money, possessions)
(ii) The kind of person he wants to be (appearance, ambition)
If bromine atom is available in the form of, say, two isotopes \(^{79}Br_{35}\) (49.7%) and \(^{81} Br_{35}\) (50.3%), calculate the average atomic mass of bromine atom.
AD is an altitude of an isosceles triangle ABC in which AB = AC. Show that
(i) AD bisects BC
(ii) AD bisects ∠A.