No products in the cart.

An accident in a nuclear laboratory …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

An accident in a nuclear laboratory resulted in deposition of a certain amount of radioactive material of half life 18 days inside the laboratory. Tests revealed that the radiation was 64 times more than the permissible level required for safe operation of the laboratory. What is the minimum number of days after which the laboratory can be considered safe for use? (A) 64 (B) 90 (C) 108 (D) 120

Posted by Ďãřşháñăã Yadav ? ? ? 5 years, 11 months ago

CBSE > Class 12 > Physics

12 answers

Ďãřşháñăã Yadav ? ? ? 5 years, 11 months ago

accha socha tum dono ne choro mujhe. gud bye.

Rohan Řąjpůť 5 years, 11 months ago

bhai mai kya bol raha hoon chor na isay. ????

Ďãřşháñăã Yadav ? ? ? 5 years, 11 months ago

actually bro mujhe kisi ka sry chahhiye bhi nhi. ????

Řøhăň Řąjpůť ✌️✊ 5 years, 11 months ago

bro rehne de na... zarrort kya hai I don't think ke kuch wrong bola hai. ??

Řøhăň Řąjpůť ✌️✊ 5 years, 11 months ago

?????

Ďãřşháñăã Yadav ? ? ? 5 years, 11 months ago

thoda limit mein bol.

Řøhăň Řąjpůť ✌️✊ 5 years, 11 months ago

? ? ? tu pgl ho gyi hai kya pdh pdh kr. ??? itna simple question puch rhi hai. ? ?

Amol Gùpta 5 years, 11 months ago

??

Ďãřşháñăã Yadav ? ? ? 5 years, 11 months ago

thanks ? ?

Amol Gùpta 5 years, 11 months ago

Time required= 6half lifes =6 × 18 =108

Ďãřşháñăã Yadav ? ? ? 5 years, 11 months ago

yes...correct hai hint DE do iska bus

Amol Gùpta 5 years, 11 months ago

C-108 is the answer

ANSWER

https://examin8.com

Test

Related Questions

Lota graph showing the variation of current with voltage for the materials gaas on the graph mark the reason where a resistance is negative and Om is obey

Posted by Siwani Gupta 1 year, 4 months ago

CBSE > Class 12 > Physics

0 answers

Three charges q,-4q,2q are placed at vertex of equilateral triangle find amount of work done to make its set up

Posted by Manshi Roll No-36,Class Xi-A 1 year, 2 months ago

CBSE > Class 12 > Physics

0 answers

two pith -balls each weighing 10-³ kg are suspended from the same point by means of silk threads -0.5 m long .on charging the balls equally, they are found to repel each other to a distance of 0.2 m .calculate the charge on each ball .

Posted by Preeti Sahu 10 months ago

CBSE > Class 12 > Physics

0 answers

A mirror is turned through 17 degree then the reflected ray is turned by

Posted by Khushbu Otti 1 year, 5 months ago

CBSE > Class 12 > Physics

0 answers

Derivation of ohm's law class 12

Posted by Aniket Mahajan 10 months ago

CBSE > Class 12 > Physics

0 answers

A Carbon resistor has three strips of red colour and a gold strip. What is the value of resistor? What is its tolerance?

Posted by Kaviyarasan 2007 1 year, 5 months ago

CBSE > Class 12 > Physics

0 answers

Q.3A Free Proton and a Free Electron are Placed in a Uniform Field. Which of the Two Experiences Greater Force and Greater Acceleration?

Posted by Ayush Rajput 1 year, 5 months ago

CBSE > Class 12 > Physics

1 answers

Two metallic sphere of radii 1 cm and 3 cm are given charge of minus 1 into 10 ke power 2 coulomb and 5 x 10 power 2 respectively if these are connected by conducting wire the final charge on the bigger sphere is

Posted by Khushi Aw 1 year, 5 months ago

CBSE > Class 12 > Physics

0 answers

what us current

Posted by Shristi Maurya 10 months, 2 weeks ago

CBSE > Class 12 > Physics

2 answers

A pith ball may become charge d by gaining or losing

Posted by Anterpreet Kaur 1 year, 5 months ago

CBSE > Class 12 > Physics

0 answers

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App