Which of the following statements is correct?
1) Alpha, beta, and gamma rays all give the same radiation dose.
2)Alpha radiation always causes more damage than X-rays.
3)Ultraviolet is as ionising as gamma rays and X-rays.
4)Long exposure to low-energy radiation could give the same dose as a short burst of high-energy radiation.
Answers: 3
Physics, 22.06.2019 01:30
Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a
Answers: 2
Physics, 22.06.2019 11:00
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Physics, 22.06.2019 17:30
Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves
Answers: 2
Physics, 22.06.2019 18:00
By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
Answers: 1
Which of the following statements is correct?
1) Alpha, beta, and gamma rays all give the same radi...
Mathematics, 19.09.2021 01:30
Mathematics, 19.09.2021 01:30
Geography, 19.09.2021 01:30
Computers and Technology, 19.09.2021 01:30
History, 19.09.2021 01:30
Mathematics, 19.09.2021 01:30
Mathematics, 19.09.2021 01:30
Biology, 19.09.2021 01:30
English, 19.09.2021 01:30