MCQ
The angle between magnetic meridian and geographical meridian is called :
  • A
    angle of dip
  • angle of declination
  • C
    horizontal component of magnetic field
  • D
    criticle angle

Answer

Correct option: B.
angle of declination
B

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Light waves exhibit polarization but sound waves do not exhibit polarization because they are not:
Of the following properties, the photon does not possess:
Three identical adiabatic containers A, B and C contain helium, neon and oxygen respectively at equal pressure. The gases are pushed to half their original volumes.
  1. The final temperatures in the three containers will be the same.
  2. The final pressures in the three containers will be the same.
  3. The pressures of helium and neon will be the same but that of oxygen will be different.
  4. The temperatures of helium and neon will be the same but that of oxygen will be different.
Mutual inductance of two coils is M. If current change in time t in first coil is I, then induced emf in the second coil is:
A circular coil of radius $4 \ cm$ has $50$ turns. In this coil a current of $2\ A$ is flowing. It is placed in a magnetic field of $0.1 \ weber/m^2$. The amount of work done in rotating it through $180^\circ $ from its equilibrium position will be
A constant current i is maintained in a solenoid. Which of the following quantities will increase if an iron rod is inserted in the soleniod along axis?
  1. Magnetic field at the centre.
  2. Mangetic flux linked with the solenoid.
  3. Self-inductance of the solenoid.
  4. Rate of Joule heating.
A flake of glass (refractive index 1.5) is placed over one of the openings of a double slit apparatus. The interference pattern displaces itself through seven successive maxima towards the side where the flake is placed. if wavelength of the diffracted light is λ = 600nm, then the thickness of the flake is(a) 2100 nm(b) 4200 nm(c) 8400 nm(d) None of these
       
When the current flowing in a circular coil is doubled and the number of turns of the coil in it is halved, the magnetic field at its centre will become (a) Four times(b) Same(c) Half(d) Double
       
Two identical cycle wheels (geometrically) have different number of spokes connected from center to rim. One is having 20 spokes and the other having only 10 (the rim and the spokes are resistanceless). One resistance of value R is connected between center and rim. The current in R will be.
Three charges $- q_1 + q_2$ and $-q_3$ are placed as shown in the figure. The $x-$component of the force on $- q_1$ is proportional to