Question
The EM waves when travel into different media gets:
✓
Answer
- Reflected
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
In the connections shown in the adjoining figure, the equivalent capacity between $A$ and $B$ will be
→Light wave is travelling along y - direction. If the corresponding E vector at any time along the x - axis, the direction of B vector at that time is along.
The field normal to the plane of a wire of $n$ turns and radius $r$ which carries a current $i$ is measured on the axis of the coil at a small distance $h$ from the centre of the coil. This is smaller than the field at the centre by the fraction
→To convert mechanical energy into electrical energy, one can use:
- DC dynamo.
- AC dynamo.
- Motor.
- Transformer.
Under what condition will the strength of current in a wire of resistance R be the same for connection is series and in parallel of n identical cells each of the internal resistance r?
The activity of a radioactive sample is 1.6 curie and its half-life is 2.5 days. Its activity after 10 days will be(a) 0.8 curie(b) 0.4 curie(c) 0.1 curie(d) 0.16 curie
Which of the following is most suitable for the core of electromagnets(a) Soft iron(b) Steel(c) Copper-nickel alloy(d) Air
Consider a current carrying wire (current I) in the shape of a circle.
Magnetic meridian is a(a) Point(b) Horizontal plane(c) Vertical plane(d) Line along N-S
Venus appears brighter than other stars because (a) It is heavier than other planets (b) Its density is more than other planets (c) It is nearer to earth in comparison to other planets (d) Nuclear fusion takes place at its surface