10g of hydrogen and 64g of oxygen were filled in a steel vessel and exploded.Amount of water produced in this reaction will be
Options
(a) 3 moles (b) 4 moles (c) 1 moles […]
Which of the following hormones contains iodine
Options
(a) Testosterone (b) Adrenaline (c) Thyroxine (d) Insulin
Correct Answer:
Thyroxine
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
A wave in a string has an amplitude of 2cm. The wave travels in the positive direction of x- axis with a speed of 128 m/s and it is noted that 5 complete waves fit […]
The internal energy change in a system that has absorbed 2 kcals of heat and done 500J of work is:
Options
(a) 6400 J (b) 5400 J (c) 7900 J (d) 8900 J
In thermodynamics processes which of the following statements is not true?
Options
(a) In an isochoric process pressure the temperature constant (b) In an isothermal process the temperature remains constant (c) In an […]
The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4. The electric field E⃗ at that point is
Options
(a) E⃗ = i 2xy + […]
Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination will be
Options
(a) 3C, V/3 (b) C/3, 3V (c) […]
The mean free path of electrons in a metal is 4 x 10⁻⁸ m. The electric field which can give on an average 2 eV energy to an electron in the metal will be in […]
Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å. The lattice parameter is
Options
(a) 4.3 Å (b) 3.0 Å (c) 8.6 Å (d) 6.8 Å
Correct Answer:
4.3 […]
The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted. The resulting daughter is an
Options
(a) isomer of parent (b) isotone of parent (c) […]
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