A brass disc at 00C has a diameter of 50cm and a hole of diameter 20cm. For Brass, α=18×10-6 /0 C. When the disc is heated to 1000C, the diameter of the hole becomes

d2-d1=d1α∆t⇒d2-20=20×18×10-6×100 ⇒d2-20=0.036 ∴d2=20.036cm

A brass disc at 00C has a diameter of 50cm and a hole of diameter 20cm. For Brass, α=18×10-6 /0 C. When the disc is heated to 1000C, the diameter of the hole becomes

d2-d1=d1α∆t⇒d2-20=20×18×10-6×100 ⇒d2-20=0.036 ∴d2=20.036cm

AI Mentor

Check Your IQ

Free Expert Demo

Try Test

Courses

Dropper NEET Course Dropper JEE Course Class - 12 NEET Course Class - 12 JEE Course Class - 11 NEET Course Class - 11 JEE Course Class - 10 Foundation NEET Course Class - 10 Foundation JEE Course Class - 10 CBSE Course Class - 9 Foundation NEET Course Class - 9 Foundation JEE Course Class -9 CBSE Course Class - 8 CBSE Course Class - 7 CBSE Course Class - 6 CBSE Course

Offline Centres

A brass disc at 0⁰C has a diameter of 50cm and a hole of diameter 20cm. For Brass, $α = 18 \times 10^{- 6} /^{0} C .$ When the disc is heated to 100⁰C, the diameter of the hole becomes

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

20.360cm

20.60cm

20.036cm

10.63cm

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

$d_{2} - d_{1} = d_{1} α ∆ t$

$\Rightarrow d_{2} - 20 = 20 \times 18 \times 10^{- 6} \times 100$

$\Rightarrow d_{2} - 20 = 0.036$

$∴ d_{2} = 20.036 cm$

Watch 3-min video & get full concept clarity

courses

No courses found

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

best study material, now at your finger tips!

live classes
progress tracking
24x7 mentored guidance
study plan analysis

download the app

A brass disc at 00C has a diameter of 50cm and a hole of diameter 20cm. For Brass, α=18×10-6 /0 C. When the disc is heated to 1000C, the diameter of the hole becomes

Best Courses for You

Detailed Solution

courses

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

download the app

Download the App

A brass disc at 0⁰C has a diameter of 50cm and a hole of diameter 20cm. For Brass, $α = 18 \times 10^{- 6} /^{0} C .$ When the disc is heated to 100⁰C, the diameter of the hole becomes