A galvanometer having a coil resistance 100 Ω gives a full scale deflection when a current of 1 mA is passed through it
A galvanometer having a coil resistance 100 Ω gives a full scale deflection when a current of 1 mA is... View Article
Latest Posts
A particle of mass and charge is released from rest in uniform electric field. If there is no other force on the particle
A particle of mass and charge is released from rest in uniform electric field. If there is no other force... View Article
As shown in figure, when a spherical cavity (centered at O) of radius 1 m is cut
As shown in figure, when a spherical cavity (centered at O) of radius 1 m is cut out of a... View Article
Two liquids of density 1 and 2 ( 2 = 2 1) are filled up behind a square wall of side 10 as shown in figure.
Two liquids of density 1 and 2 ( 2 = 2 1) are filled up behind a square wall of... View Article
A Carnot engine having an efficiency of 1/10 is being used as a refrigerator. If the work done on the refrigerator is 10 J, the amount of heat absorbed from the reservoir at lower temperature is
a. 99 J b. 90 J c. 1 J d. 100 J
A particle of mass is dropped from a height ℎ above the ground
A particle of mass is dropped from a height ℎ above the ground. At the same time another particle of... View Article
A transverse wave travels on a taut steel wire with a velocity of when tension in it is 2.06 × 104 . When the tension is changed to , the velocity changed to /2. The value of is close to
a. 30.5 × 104 b. 2.50 × 104 c. 10.2 × 102 d. 5.15 × 103
Consider two charged metallic spheres 1 and 2 of radii 1 and 2, respectively. ….
Consider two charged metallic spheres 1 and 2 of radii 1 and 2, respectively. The electric fields 1(on 1) and... View Article
A particle moves such that its position[latex]vec{r(t)}=cosomega that{i}+sinomega that{j}[/latex], where is a constant and is time. Then which of the following statements is true for the velocity [latex]vec{v}[/latex] and acceleration [latex]vec{a}[/latex] ( ) of the particle?
Question: A particle moves such that its position\(\begin{array}{l}\vec{r(t)}=cos\omega t\hat{i}+sin\omega t\hat{j}\end{array} \), where 𝜔 is a constant and 𝑡 is time.... View Article
A very long wire ABDMNDC is shown in figure carrying current . AB and BC parts are straight, long and at right angle….
A very long wire ABDMNDC is shown in figure carrying current . AB and BC parts are straight, long and... View Article
Consider the following reactions
Consider the following reactions; The mass percentage of carbon in A is: Solution: Compound A is CH3(CO)CH2CH3 (C4H8O) The percentage... View Article
A cylinder containing an ideal gas (0.1 mol of 1.0 dm3 ) is in thermal…
A cylinder containing an ideal gas (0.1 mol of 1.0 dm3 ) is in thermal equilibrium with a large volume... View Article
A sample of milk splits after 60 min. at 300K and after 40 min at
A sample of milk splits after 60 min. at 300K and after 40 min at 400K when the population of... View Article
The sum of total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is:
The sum of total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is: Solution: Answer:... View Article
In the following reaction A is
In the following reaction A is : Solution: The answer of this question is option (d)
The compound [P] is
The compound [P] is p> Solution: The answer of this question is option (b)
The decreasing order of basicity of the following amines is:
The decreasing order of basicity of the following amines is: a) I > II > III > IV b) IV... View Article
A, B and C are three biomolecules. The results of the tests performed on..
A, B and C are three biomolecules. The results of the tests performed on them are given below: Molisch’s Test... View Article
Which polymer has chiral, monomer(s)?
a) Buna-N b) Neoprene c) Nylon 6,6 d) PHBV Solution: Answer: (d)
Biochemical oxygen demand (BOD) is the amount of oxygen required (in ppm):
a) for the photochemical breakdown of waste present in 1m3 volume of a water body. b) by anaerobic bacteria to... View Article
