Science, asked by pratikchhabile201, 5 months ago

is used in portable x-rays unit as the source of Beta rays.
a) Krypton - 85 . b) Promethium-147 c) Strontium - 89 d) Iodine - 131

Answers

Answered by devilgamer58

0

is used in portable x-rays unit as the source of Beta rays.

a) Krypton - 85 . b) Promethium-147 c) Strontium - 89 d) Iodine - 131

Previous Question

Next Question

Similar questions

Math, 2 months ago

see search as DD studio of piano and video will come of piano its lut gaye click on that like and subscribe plz plz seriously subscribe plzplz...

Math, 2 months ago

The number of sheets of paper available for making notebooks is 78,000. Each sheet of paper makes 8 pages of a notebook. If each notebook contains 192 pages, find the number of Notebooks that can be made from the paper available?

Physics, 2 months ago

a stone thrown upwards with an initial velocity of 29.4m/s reaches the maximum height and then falls down.(take g =9.8 meter per second square) a) What is the velocity of the stone at the maximum height?

Art, 5 months ago

परिप्रेक्ष्य सिद्धांत में महत्व है * 1 point दुरी और निकटता प्रकाश और रंग विल्यमान बिंदु क्षितिज रेखा का...

Computer Science, 5 months ago

Q. 3 Match the following: 'A' 'B 1. Move to the first cell of the current column Ctrl + — 2. Total number of characters a cell can contain 16384 computer 3. Total number of columns 32767 4. To move last cell of current row Ctrl + 5. Move to the one column right dcross out the wrong one.

Math, 1 year ago

Manish multiplead 100 by 89 instead of multiplying by 79 how much was his anwer and greater than the correct answer...

Math, 1 year ago

II ANSWER THE FOLLOWING : 1. Solve i) 4 - ii) 2 + 3 iii) + + 2. Arrange the numbers in descending order and ascending order a. , b. ,, 3. Raju finished his work in hrs. Vrinda finished her work in hrs. Who worked longer? By what fraction was it longer? 4. Multiply and reduce to lowest form and convert into a mixed fraction. i) 40 x ii) 22 x iii) x 25 iv) 2 x 14 v) 3 x 18 5. Multiply...

English, 1 year ago

Multiply the multiplicative inverse of -9/8 with additive inverse of negetive of -8/9...