Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Physics Expert

A 20x telescope has a 12 centimeter diameter objective lens. Find what minimum diameter must the eyepiece lens have to collect all the light rays from an on-axis distant source?

Physics, Academics

  • Category:- Physics
  • Reference No.:- M91194247

Have any Question?


Related Questions in Physics

A baseball is thrown vertically upward at a speed of 392

A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?

Question a person is diving in a lake in the depth of h 75

Question: A person is diving in a lake in the depth of h = 7.5 m. The density of the water is ? = 1.0 x103 kg/m3. The pressure of the atmosphere is P0 = 1.0 x 105 Pa. The surface area of the top of the person's head is A ...

Question the total translational kinetic energy of the

Question: The total translational kinetic energy of the molecules of a sample of gas at 421 k is 3.95x10^4j. How many moles does the sample comprise? Find the average translational kinetic energy of a single molecule. Th ...

Quesiton a rock is tossed straight up with a velocity of

Quesiton: A rock is tossed straight up with a velocity of 20m/s When it returns, it falls into a hole 10 m deep. What is the rock's velocity as it hits the bottom of thehole? How long is the rock in the air, from the ins ...

The first modern olympics of 1896 had a marathon distance

The first modern Olympics of 1896 had a marathon distance of 40 km. In 1908, for the Olympic marathon in London, the length was set at 42.195 km to provide the Royal Family with a better view of the race. Other distances ...

A ski jumper leaves the ski track moving in the horizontal

A ski jumper leaves the ski track moving in the horizontal direction with a speed of 15.0 m/s. The landing incline below her falls off with a slope of 45.0 degrees. Where does she land on the incline?

Question a point charge with charge q1 is held stationary

Question: A point charge with charge q_1 is held stationary at the origin. A second point charge with charge q_2 moves from the point (x1, 0) to the point (x2, y2). How much work W is done by the electrostatic force on t ...

Please help with this problemssuppose you walk 16m

Please help with this problems: Suppose you walk 16m straight west and then 22.5m straight north. How far are you in meters from your starting point (numeric value only, no expression)? What is the compass direction, in ...

Question a sensitive gravimeter at a mountain observatory

Question: A sensitive gravimeter at a mountain observatory finds that the free fall acceleration is 0.0075 m/s^2 less than that at sea level. What is the observatory's altitude? The response must be typed, single spaced, ...

Question a supply plane needs to drop a package of food to

Question: A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 88m above the glacier at a speed of 150m/s. How far short of the target should it drop the package ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As