Question
Wavefront of a wave has direction with wave motion:
✓
Answer
- Perpendicular
Direction of wave is perpendicular to the wavefront.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An electron has a mass of $9.1 \times 10^{-31}\ kg.$ It revolves round the nucleus in a circular orbit of radius $0.529 \times 10^{-10}$ metre at a speed of $2.2 \times 10^6 m/s$ . The magnitude of its linear momentum in this motion is
→A potentiometer can measure emf of a cell because :
A bulb has specification of one kilowatt and $250$ volts, the resistance of bulb is
→Thirteen resistances each of resistance $R$ ohm are connected in the circuit as shown in the figure below. The effective resistance between $A$ and $B$ is
→For germanium crystal, the forbidden energy gap in joules is
Two point charges Q and – 3Q are placed at some distance apart. If the electric field at the location of Q is E then at the locality of -3Q, it is(a) - E (b) E/3(c) -3E (d) -E/3
According to Maxwell’s Hypothesis, a changing electric field gives rise to?
A current passes through a wire of non-uniform cross-section. Which of the following quantities are independent of the cross-section?
- The charge crossing in a given time interval.
- Drift speed.
- Current density.
- Free-electron density.
A coil having $n$ turns and resistance $R W$ is connected with a galvanometer of resistance $4R \Omega$. This combination is moved in time $t$ seconds from a magnetic field $W_1$ weber to $W_2$ weber. The induced current in the circuit is
→1 Pico farad =