Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 μC each.
Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 μC each. After the…
7 years ago
AMU2001
An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
An electric motor operating on a 60 volt D.C supply draws a current of 10 amp. If the efficiency of…
7 years ago
An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance. The power dissipated in it is Options…
7 years ago
According to photon theory of light which of the following physical quantities,
According to photon theory of light which of the following physical quantities, associated with a photon, do not/does not change…
7 years ago
If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system, then the increase in…
7 years ago
Which of the following hydrides is electron deficient molecule?
Which of the following hydrides is electron deficient molecule? Options (a) CH₄ (b) NaH (c) B₂H₆ (d) CaH₂ Correct Answer:…
7 years ago
The gas which combin with haemoglobin to damage its oxygen carrying capacity is
The gas which combin with haemoglobin to damage its oxygen carrying capacity is Options (a) co (b) CO₂ (c) N₂…
7 years ago
Which of the following is obdained when acetone is treated with bleaching powder
Which of the following is obdained when acetone is treated with bleaching powder Options (a) CCl₄ (b) CHCl₃ (c) CH₂Cl₂…
7 years ago
The compoumd which has one isopropyl groups is
The compoumd which has one isopropyl groups is Options (a) 2,2,3,3-tetramethylpentane (b) 2,2-dimethylpentane (c) 2,2,3-trimethylpentane (d) 2-methylpentane Correct Answer: 2-methylpentaneExplanation:No…
7 years ago
The population dynamics of a species is basically regulated by
The population dynamics of a species is basically regulated by Options (a) climate (b) food supply (c) competition between and…
7 years ago