Title: ALM 1.1.3-1 DBST

KC 1.1.3-1.1

Q: KC1: Which of the following EM wave originate from radioactive decaying of Atomic nuclei?
- X-rays
- Gamma-rays (correct)
- UV-rays
- IR-rays
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

KC 1.1.3-1.2

Q: KC2: Which of the following EM wave is used to kill the cancer cells?
- X-rays (correct)
- Radio waves
- UV-rays
- Microwaves
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

KC 1.1.3-1.3

Q: KC3: Which of the following EM wave is originated from Sun and is used to kill bacteria and viruses?
- UV-rays (correct)
- IR rays
- Visible rays
- X-rays
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

KC 1.1.3-1.4

Q: KC4: Choose the incorrect statement?
- The frequency range of visible spectrum is from 400 nm to 700 nm
- IR rays are used in TV remotes and photography
- Microwaves are used in RADAR and satellite communication
- The frequency range of radio waves is from 300 MHz to 300 GHz (correct)
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

KC 1.1.3-1.5

Q: KC5: For efficient transmission of signal the channel bandwidth should be greater than signal bandwidth.
- True (correct)
- False
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

Choose the correct statement.