MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: upto college level
        
The Pyrex glass mirror in the telescope at the Mount Palomar Observatory (the Hale telescope) has a diameter of 200 in. The most extreme temperatures ever recorded on palomar Mountain are - 10°C and 50°C, Determine the maximum change in the diameter of the mirror.
4 years ago

Answers : (1)

Mohammad Fasih
28 Points
							
diameter =d=200 inc
change in temperature =\DeltaT=50°-(-10°) = 60°C
cofficient of expansion for pyrax glass=\alpha=3.2×10^-6/C°
FORMULA:
                    \DeltaL=\Delta\alpha×d
                          =60°C × 3.2×10^-6/C°× 200 inc
                          =38400 × 10^-6 inc
                        = 0.0384 inc
 
so, maximum increase in diameter is 0.0384 inc and total diameter after increase in temperature is = 200inc + 0.0384inc 
    = 200.0384 inc
11 months ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details