Below are the answers key for the Multiple Choice Questions in Radiation and Wave Propagation – MCQs Part 8.

351. All of these

352. Oscillations that propagate through free space

353. Electric field

354. Electric field (E-field) and magnetic field

355. Wavefront

356. Ray

357. Power density

358. Field intensity

359. A or C is correct

360. Inductance

361. B or C is correct

362. A and B

363. A or C is right

364. Smaller value of dielectric constant

365. The ratio of velocity of light in free space to the velocity of light in a given material

366. A and B are incorporated

367. A and B

368. Is a reflection from a perfectly smooth surface

369. Rayleigh criterion

370. Standing waves

371. Interference

372. Isotropic source

373. 300,000 km/sec

374. Magnetic field

375. Measures power density, magnetic field intensity, and electric field intensity

376. Should take place at one medium

377. All of these

378. Ground wave

379. Gradient density

380. B and C

381. All of these

382. Radio horizon

383. All of the above

384. All of these

385. Duct propagation

386. Increase

387. Increasing refraction

388. B or C

389. A and C

390. E layer

391. F layer

392. Virtual height

393. Skip distance

394. Maximum usable frequency, MUF

395. Multihop transmission

396. Hop

397. Fading

398. Diversity techniques

399. Frequency diversity

400. Space diversity

### Online Questions and Answers Series

Following is the list of Practice Exam Test Questions in this brand new series:

**Radiation and Wave Propagation MCQs**

**MCQs from Number 1 – 50**Answer key:

**PART I**

**MCQs from Number 51 – 100**Answer key:

**PART II**

**MCQs from Number 101 – 150**Answer key:

**PART III**

**MCQs from Number 151 – 200**Answer key:

**PART IV**

**MCQs from Number 201 – 250**Answer key:

**PART V**

**MCQs from Number 251 – 300**Answer key:

**PART VI**

**MCQs from Number 301 – 350**Answer key:

**PART VII**

**MCQs from Number 351 – 400**Answer key:

**PART VIII**