Question 1

What is Doubtclip?

Accepted Answer

Doubtclip is an AI tutor that turns any homework or exam doubt into a step-by-step whiteboard video lesson with diagrams, formulas, and voice explanation.

Question 2

Who is the founder of Doubtclip?

Accepted Answer

Vinay Malav is the founder of Doubtclip (Founder, Doubtclip, based in Kota, Rajasthan, India). More: https://www.doubtclip.com/about

Question 3

Which subjects and exams does it support?

Accepted Answer

It supports Physics, Chemistry, Mathematics/Calculus and related STEM doubts for school boards, JEE, NEET, and global high-school / undergrad practice.

Question 4

How do I get a video solution?

Accepted Answer

Upload a photo of the question or paste the text, sign in, and Doubtclip generates a whiteboard-style explanation video you can watch and share.

Question 5

Is Doubtclip available worldwide?

Accepted Answer

Yes. Doubtclip is a web app for students globally. Lessons are available in English and Hinglish.

In a radioactive decay chain reaction, ${ }_{90}^{230} \mathrm{Th}$ nucleus decays into ${ }_{84}^{214} \mathrm{Po}$ nucleus. What is the ratio of the number of $\alpha$ to number of $\beta^{-}$ particles emitted in this process?

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In a radioactive decay chain reaction, 90230Th{ }_{90}^{230} \mathrm{Th}90230​Th nucleus decays into 84214Po{ }_{84}^{214} \mathrm{Po}84214​Po nucleus. What is the ratio of the number of α\alphaα to number of β−\beta^{-}β−particles emitted in this process?

Need a video for this idea?

In a radioactive decay chain reaction, ${ }_{90}^{230} \mathrm{Th}$ nucleus decays into ${ }_{84}^{214} \mathrm{Po}$ nucleus. What is the ratio of the number of $\alpha$ to number of $\beta^{-}$ particles emitted in this process?