Physics-
General
Easy
Question
The wing span of an aeroplane is 36 m. If the plane is flaying at 400 km
, the emf induced between the wings tips is (assume 
- 16 V
- 1.6 V
- 0.16 V
- 0.016 V
The correct answer is: 0.16 V

= 
= V= 4 
V
Related Questions to study
Physics-
A coil of resistance
is placed in a magnetic filed. If the magnetic flux
linked with the coil varies with time t (se(c) as
. The current in the coil at
sec is
A coil of resistance
is placed in a magnetic filed. If the magnetic flux
linked with the coil varies with time t (se(c) as
. The current in the coil at
sec is
Physics-General
Physics-
A
circuit is in the state of resonance. If
and
, neglecting ohmic resistance of circuit what is the frequency of oscillations
A
circuit is in the state of resonance. If
and
, neglecting ohmic resistance of circuit what is the frequency of oscillations
Physics-General
Physics-
The induction coil works on the principle of
The induction coil works on the principle of
Physics-General
Chemistry-
The solubility of
in
solution is less than that in pure water because
The solubility of
in
solution is less than that in pure water because
Chemistry-General
Chemistry-
Which of the following pairs constitutes buffer?
Which of the following pairs constitutes buffer?
Chemistry-General
Chemistry-
Which one of the following pair shows buffer’s solution?
Which one of the following pair shows buffer’s solution?
Chemistry-General
Chemistry-
Aqueous solutions of two acids having same concentrations of common ion
are called:
Aqueous solutions of two acids having same concentrations of common ion
are called:
Chemistry-General
Chemistry-
. What is the effect of the increase of temperature on the equilibrium of the reaction?
. What is the effect of the increase of temperature on the equilibrium of the reaction?
Chemistry-General
Chemistry-
In the titration of
, the indicator used is
In the titration of
, the indicator used is
Chemistry-General
Chemistry-
1 mole of
are taken initially in a 2 L vessel. The number of moles of
at equilibrium is 0.2. Then, the number of moles of
at equilibrium are
1 mole of
are taken initially in a 2 L vessel. The number of moles of
at equilibrium is 0.2. Then, the number of moles of
at equilibrium are
Chemistry-General
Chemistry-
For the reaction,
, if the initial concentration of
mol/L of hydrogen is consumed at equilibrium, the correct expression of
is
For the reaction,
, if the initial concentration of
mol/L of hydrogen is consumed at equilibrium, the correct expression of
is
Chemistry-General
Chemistry-
Of the following which change will shift the reaction towards the product? 
Of the following which change will shift the reaction towards the product? 
Chemistry-General
Chemistry-
forHCN is
at
. For maintaining a constant
, the volume of 5 M KCN solution required to be added to 10 mL of 2 M HCN solution is
forHCN is
at
. For maintaining a constant
, the volume of 5 M KCN solution required to be added to 10 mL of 2 M HCN solution is
Chemistry-General
Chemistry-
When
is heated at a constant temperature in a closed container, the pressure due to
produced will:
When
is heated at a constant temperature in a closed container, the pressure due to
produced will:
Chemistry-General
Chemistry-
Which favours the backward reaction in a chemical equilibrium?
Which favours the backward reaction in a chemical equilibrium?
Chemistry-General