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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 side 10 as shown in figure. Each liquid has a height of 5 .... 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 Jb. 90 Jc. 1 Jd. 100 J... View Article

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 the same mass is thrown vertically upwards... 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... View Article

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 2(on 2) on their surfaces... 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 (𝑡) of the particle? a. b. c. is directed away from the origin d. is directed... View Article

M	T	W	T	F	S	S
	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30

Archives

Two liquids of density ₁ and ₂ ( ₂ = 2 ₁) are filled up behind a square wall of side 10 as shown in figure.

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 particle of mass is dropped from a height ℎ above the ground

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

Consider two charged metallic spheres ₁ and ₂ of radii ₁ and ₂, respectively. ….

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?

A very long wire ABDMNDC is shown in figure carrying current . AB and BC parts are straight, long and at right angle….

Consider the following reactions

A cylinder containing an ideal gas (0.1 mol of 1.0 dm³ ) is in thermal…

A sample of milk splits after 60 min. at 300K and after 40 min at

The sum of total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is:

In the following reaction A is

The compound [P] is

The decreasing order of basicity of the following amines is:

A, B and C are three biomolecules. The results of the tests performed on..

Which polymer has chiral, monomer(s)?

Biochemical oxygen demand (BOD) is the amount of oxygen required (in ppm):

Which of the following has the shortest C-Cl bond?

Which of the following reactions will not produce a racemic product?

The number of sp² hybrid orbitals in molecule of benzene is:

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