Thomas throws a silver coin in the sea. The density of the coin is 0.985 gm/m3. Will the coin float on the surface of water or it will sink?

Question

ALOK_RAJ Asked Aug 3, 2023

85 views

1 Answer

RELATED DOUBTS

Chandan Asked Sep 11, 2023

47 views

A long spring is stretched by 2 cm, it potential energy is U. If the spring is stretched by 10 cm, the potential energy stored in it will be —

Chandan Asked Sep 11, 2023

by Chandan

1 Answer

0 Votes

47 Views

Chandan Asked Aug 4, 2023

62 views

Force acting on a particle moving in a straight line varies with the velocity of the particle $\nu$ as $F \equiv \frac{K}{v}$.

Chandan Asked Aug 4, 2023

by Chandan

1 Answer

0 Votes

62 Views

Chandan Asked Sep 15, 2023

113 views

A body of mass m kg is rotating in a vertical circle at the end of a string of length r metre.

Chandan Asked Sep 15, 2023

by Chandan

1 Answer

0 Votes

113 Views

Chandan Asked Sep 11, 2023

49 views

A body of mass M is resting on a rough horizontal plane surface, the coefficient of friction being equal to $\mu .$ At $t=0$

Chandan Asked Sep 11, 2023

by Chandan

1 Answer

0 Votes

49 Views

ANAND_YADAV Asked Aug 2, 2023

82 views

A Carnot refrigerator extracts heat from water at $0^{\circ}{C}$ and rejects it to room at $24.4^{\circ}{C}$. The work required by the refrigerator for every $1{kg}$ of water converted into ice is

ANAND_YADAV Asked Aug 2, 2023

by ANAND_YADAV

1 Answer

0 Votes

82 Views

ALOK_RAJ Asked Nov 22, 2023

85 views

The density of water at room temperature is 1.0 g/mL. How many molecules are there in a drop of water if its volume is 0.05 mL ?

ALOK_RAJ Asked Nov 22, 2023

by ALOK_RAJ

1 Answer

0 Votes

85 Views

ALOK_RAJ Asked Nov 28, 2023

134 views

Stearic acid, C17H35COOH has a density of 0.85 g/cm3. The molecule occupies an area of 0.205 nm2 in a closed packed surface film. Calculate the length of the molecule.

ALOK_RAJ Asked Nov 28, 2023

by ALOK_RAJ

1 Answer

1 Vote

134 Views

Aayush Asked Feb 6

36 views

If the density of wood in CGS system is 0.5 gm / cc, then what will be its value in SI unit.

Aayush Asked Feb 6

by Aayush

1 Answer

0 Votes

36 Views

Shiv roshan kushwaha Asked Apr 3, 2022

123 views

A heavy uniform chain lies on a horizontal table. If the coefficient of friction between the chain and the table is 0.25. then the maximum fraction of the length of the chain that can hang over one edge of the table is

Shiv roshan kushwaha Asked Apr 3, 2022

by Shiv roshan kushwaha

1 Answer

3 Votes

123 Views

Shiv roshan kushwaha Asked May 1, 2022

189 views

The pressure of the liquid is not same at each point in the sea. If a diver dives into the sea, at which point the the diver will feel the maximum pressure?

Shiv roshan kushwaha Asked May 1, 2022

by Shiv roshan kushwaha

1 Answer

0 Votes

189 Views

Chandan Asked Sep 11, 2023

180 views

A vessel of volume $8.0 \times 10^{-3} m ^{3}$ contains an ideal gas at 300 K and 200 kPa. The gas is allowed to leak till the pressure falls to 125 kPa. Calculate the amount of the gas (in moles) leaked assuming that the temperature remains constant.

Chandan Asked Sep 11, 2023

by Chandan

1 Answer

0 Votes

180 Views

Chandan Asked Aug 1, 2023

99 views

A coil in the shape of an equilateral triangle of side 0.02 m is suspended from its vertex such that

Chandan Asked Aug 1, 2023

by Chandan

1 Answer

1 Vote

99 Views

Chandan Asked Sep 12, 2023

122 views

If x= (a-b), the maximum percentage error in the measurement of x will be —

Chandan Asked Sep 12, 2023

by Chandan

1 Answer

0 Votes

122 Views

ALOK_RAJ Asked Nov 28, 2023

64 views

When chlorine water is added to an aqueous solution of potassium halide in presence of chloroform, a violet colour is obtained.

ALOK_RAJ Asked Nov 28, 2023

by ALOK_RAJ

1 Answer

1 Vote

64 Views

Chandan Asked Sep 11, 2023

60 views

A vessel of volume 2000 cm ^{3} contains 0.1 mol of oxygen and 0.2 mol of carbon dioxide. If the temperature of the mixture is 300 K, find its pressure.

Chandan Asked Sep 11, 2023

by Chandan

1 Answer

0 Votes

60 Views

Chandan Asked Sep 13, 2023

108 views

A large tank A of water is kept at a constant temperature $\theta_0$.conductor of length l, area of cross-section A and thermal conductivity K.

Chandan Asked Sep 13, 2023

by Chandan

1 Answer

0 Votes

108 Views

Aayush Asked Feb 2

90 views

0.65 g of Zn was put in a solution of 1.5 g CuSO4 and the Cu. thus precipitated weighed 0.635 g. what weight of the zinc sulphate will be recovered on evaporation of the remaining solution?

Aayush Asked Feb 2

by Aayush

1 Answer

0 Votes

90 Views

Chandan Asked Oct 15, 2023

48 views

A gas bubble from an explosion under water oscillates with a time period T which is proportional to $P ^{a} \rho^{b} E ^{c}$ where $P$ is the pressure

Chandan Asked Oct 15, 2023

by Chandan

1 Answer

0 Votes

48 Views

ALOK_RAJ Asked Jul 30, 2023

168 views

Thomas was a mariner, and working in defence force of his country. He was posted on the border of his country and has to look after the activity of the enemy in the sea.

ALOK_RAJ Asked Jul 30, 2023

by ALOK_RAJ

1 Answer

0 Votes

168 Views

Chandan Asked Aug 9, 2023

86 views

Dissolving 120 g of urea (molar mass 60 ) in 990 g of water gave a solution of density 1.11 g / ml. Select the correct statements :

Chandan Asked Aug 9, 2023

by Chandan

1 Answer

0 Votes

86 Views

ALOK_RAJ Asked Aug 3, 2023

60 views

A deuteron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 m

ALOK_RAJ Asked Aug 3, 2023

by ALOK_RAJ

1 Answer

0 Votes

60 Views

ANAND_YADAV Asked Jul 29, 2023

111 views

If unit of length and time is doubled, the numerical value of ' $g$ ' (acceleration due to gravity) will become?

ANAND_YADAV Asked Jul 29, 2023

by ANAND_YADAV

1 Answer

0 Votes

111 Views

Chandan Asked Sep 29, 2023

228 views

The vapour density of a chloride of a metal is 81.5 (H=1) and the chloride contains 34.46 % metal. The specific heat of the metal is 0.115. Calculate the exact atomic weight and molecular formula of chloride.

Chandan Asked Sep 29, 2023

by Chandan

1 Answer

0 Votes

228 Views

ANAND_YADAV Asked Jul 29, 2023

225 views

The Young's modulus of a material of wire is 12.6 × 1011 dyne /cm2. Its value in MKS system is :

ANAND_YADAV Asked Jul 29, 2023

by ANAND_YADAV

1 Answer

1 Vote

225 Views

Chandan Asked Sep 11, 2023

59 views

A particle moves along x-axis obeying the equation x= t(t-1)(t-2), where x (in meters) is the position of the particle at any time t (in seconds).

Chandan Asked Sep 11, 2023

by Chandan

1 Answer

0 Votes

59 Views

ANAND_YADAV Asked Aug 2, 2023

148 views

A particle moves in x-y plane according to the equations x=4t^{2}+5t+16 and y=5t where x, y are in meter and t is in second. The acceleration of the particle is

ANAND_YADAV Asked Aug 2, 2023

by ANAND_YADAV

1 Answer

1 Vote

148 Views

ALOK_RAJ Asked Aug 3, 2023

132 views

When a teaspoon of solid sugar is dissolved in a glass of liquid water, what phase or phases are present after mixing?

ALOK_RAJ Asked Aug 3, 2023

by ALOK_RAJ

1 Answer

1 Vote

132 Views

ANAND_YADAV Asked Jul 30, 2023

180 views

A ball is dropped on a floor from a height of 5 meter. It rebounds to a height of $3.2$ metre. If the ball as in contact with the floor for $0.1 sec$.,

ANAND_YADAV Asked Jul 30, 2023

by ANAND_YADAV

1 Answer

0 Votes

180 Views

ANAND_YADAV Asked Jul 30, 2023

111 views

61.25% (w/w) H2SO4 stock solution has a density of $1.6 g mL ^{-1}$. The molecular weight of H2SO4 is $98 g mol ^{-1}$. The volume $( mL )$ of stock solution required to prepare a 200 mL solution of 0.3 M H2SO4 is :

ANAND_YADAV Asked Jul 30, 2023

by ANAND_YADAV

1 Answer

0 Votes

111 Views

ALOK_RAJ Asked Aug 3, 2023

597 views

Two cities C1 and C2 are connected on the opposite end of a long straight parallel track

ALOK_RAJ Asked Aug 3, 2023

by ALOK_RAJ

1 Answer

1 Vote

597 Views

ANAND_YADAV Asked Aug 2, 2023

129 views

A man goes at the top of a smooth inclined plane. He releases a bag to fall freely and himself slides down on inclined plane to reach the bottom.

ANAND_YADAV Asked Aug 2, 2023

by ANAND_YADAV

1 Answer

0 Votes

129 Views

ANAND_YADAV Asked Aug 1, 2023

136 views

A solenoid of length 50 cm and radius of cross section 1 cm has 1000 turns of wire wound over it.

ANAND_YADAV Asked Aug 1, 2023

by ANAND_YADAV

1 Answer

0 Votes

136 Views

Chandan Asked Sep 15, 2023

98 views

Determine the number of moles of a real gas required to occupy 1.44 m3 volume at its Boyle's temperature and 0.1 atm pressure.

Chandan Asked Sep 15, 2023

by Chandan

1 Answer

0 Votes

98 Views

Chandan Asked Oct 6, 2023

253 views

It was found that 100g of silver combined with all the chlorine in 56.0g of arsenious chloride.

Chandan Asked Oct 6, 2023

by Chandan

1 Answer

0 Votes

253 Views

Aayush Asked Jan 3

81 views

The solubility of $\left[ Co \left( NH _{3}\right)_{4} Cl _{2}\right] ClO _{4}$ ____________, if the $\lambda_{ Co \left( NH _{3}\right)_{4} Cl _{2}^{+}}=50, \lambda_{ ClO _{4}{ }^{-}}=70$ and the measured resistance was $33.5 \Omega$ in a cell with cell constant of $0.20$ is ____________

Aayush Asked Jan 3

by Aayush

1 Answer

0 Votes

81 Views

ASK DOUBTS

Thomas throws a silver coin in the sea. The density of the coin is 0.985 gm/m3. Will the coin float on the surface of water or it will sink?

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

RELATED DOUBTS

CATEGORIES

POPULAR TAGS