(A) The motion of a simple pendulum
(B) The motion of earth on its axis
(C) The motion of a ceiling fan
(D) Bouncing ball on the floor
Author:
Process by which electrons are emitted by hot metal surface is known as?
(A) Boiling
(B) Evaporation
(C) Conduction
(D) Thermionic emission
Which device decrease the alternating voltage?
(A) Step down transformer
(B) Step up transformer
(C) Generator
(D) Motor
Identify true statement regarding magnetic poles?
(A) A single magnetic pole does not exist
(B) Unlike poles repels each other
(C) Like poles attract each other
(D) Magnetic poles does not effect each other
Contend
Meaning: مقابلہ کرنا
Explanation: (Verb)- struggle to surmount (a difficulty).
Synonyms: Argue, Confront, Cope, Dispute, Go after.
Antonyms: Hide, Agree, Comply, Retreat
[Dawn Vocabulary: 12-01-2021]
Wedge
Meaning: گاڑنا
Explanation: (Noun)- a piece of wood, metal, etc. having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them.
Synonyms: Chunk, Block, Chock
Antonyms: Whole
[Dawn Vocabulary: 12-01-2021]
Chaos
Meaning: افراتفری
Explanation: (Noun)- complete disorder and confusion.
Synonyms: Anarchy, Disarray, Pandemonium, Disorder.
Antonyms: Arrangement, Calm, Harmony
[Dawn Vocabulary: 12-01-2021]
Meddle
Meaning: مداخلت
Explanation: (Verb)- interfere in something that is not one’s concern.
Synonyms: Hinder, Impede, Impose, Infringe, Intrude.
Antonyms: Aid, Assist, Forward, Facilitate.
[Dawn Vocabulary: 12-01-2021]