1 a) i) State the two types of errors [2marks] ii) Explain how to minimise the...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
1 a) i) State the two types of errors [2marks] ii) Explain how to minimise the errors above [2marks] b) i) Define refraction of light [2marks] ii) A ray of light travelling through a liquid of absolute refractive index 1.4 is incident on the plane surface of a Perspex block at an angle of 55°. Calculate the angle of refraction in the Perspex if it has an absolute refractive index 1.5 [4marks] c) i) Define the following Displacement Velocity Acceleration [3 marks] ii) A body of mass 50 kg initially moving at 20 m/s accelerates to a velocity of 30 m/s in 5 seconds. Calculate the force acting on the body. [3marks] d) A charge of quantity 9×10°C flows through a conductor in 20 seconds, calculate the amount of current in the conductor [3marks] e) State Newton's laws of motion f) i) Obtain the effective resistance in the figure below 352 5Ω 452 [3marks] ii) If a voltage of 12 V is applied across the arrangement, calculate the total current the circuit [3marks] [2marks] [3marks] g) Differentiate between heat capacity and specific heat capacity 1 a) i) State the two types of errors [2marks] ii) Explain how to minimise the errors above [2marks] b) i) Define refraction of light [2marks] ii) A ray of light travelling through a liquid of absolute refractive index 1.4 is incident on the plane surface of a Perspex block at an angle of 55°. Calculate the angle of refraction in the Perspex if it has an absolute refractive index 1.5 [4marks] c) i) Define the following Displacement Velocity Acceleration [3 marks] ii) A body of mass 50 kg initially moving at 20 m/s accelerates to a velocity of 30 m/s in 5 seconds. Calculate the force acting on the body. [3marks] d) A charge of quantity 9×10°C flows through a conductor in 20 seconds, calculate the amount of current in the conductor [3marks] e) State Newton's laws of motion f) i) Obtain the effective resistance in the figure below 352 5Ω 452 [3marks] ii) If a voltage of 12 V is applied across the arrangement, calculate the total current the circuit [3marks] [2marks] [3marks] g) Differentiate between heat capacity and specific heat capacity
Expert Answer:
Answer rating: 100% (QA)
1 a i The two types of errors are Type I errors falsepositive and Type II falsenegative errors A Type I error means rejecting the null hypothesis when its actually true while a Type II error means fai... View the full answer
Related Book For
Probability and Random Processes With Applications to Signal Processing and Communications
ISBN: 978-0123869814
2nd edition
Authors: Scott Miller, Donald Childers
Posted Date:
Students also viewed these mathematics questions
-
A ray of light is incident on a plane surface separating two sheets of glass will refractive indexes 1.70 and 1.58. The angle of incidence is 62.0o, and the ray originates in the glass with n = 1.70....
-
A beam of light is incident on a plane mirror at an angle relative to the surface of the mirror. (a) Will the angle between the reflected ray and the normal be (1) , (2) 90o , or (3) 2? (b) If =...
-
A beam of light is incident on a plane mirror at an angle of incidence of 35o. If the mirror rotates through a small angle of , through what angle will the reflected ray rotate?
-
Hooghly Products manufactures a silicone paste wax that goes through three processing departments- Cracking, Blending, and Packing. All raw materials are introduced at the start of work in the...
-
The charter of Vista West Corporation specifies that it may issue 200,000 shares of common stock. Since the company was incorporated, it has sold a total of 160,000 shares to the public but bought...
-
The French government recently allocated the equivalent of more than $120 million in public funds to Quaero (Latin for "I search"), an Internet search engine analogous to Google or Yahoo. Does an...
-
Tracking Co. holds an HTM bond investment in Fields Corp. The carrying value of the investment is \(\$ 4,500\) at December 31, 2020. Tracking Co. estimates the present value of the amounts expected...
-
Mickley Corporation produces two products, Alpha6s and Zeta7s, which pass through two operations, Sintering and Finishing. Each of the products uses two raw materials, X442 and Y661. The company uses...
-
3. (Ch. 11) Comparison of Techniques for Hedging Payables. Kiwi Corp. has future payables of NZD 3,000,000 (NZD: New Zealand dollar) in one year. It must decide whether to use options or a money...
-
The CyClon project team has started gathering information necessary to develop a project network-predecessor activities and activity time in days. The results of their meeting are found in the...
-
Prepare journal entries for a local government to record thefollowing transactions, first for fund financial statements andthen for government-wide financial statements.The government sells $982,00 1...
-
What role does advanced conflict resolution theory play in mediating interpersonal conflicts arising from role ambiguity, role incongruence, and inter-role conflicts, and how can organizations...
-
Pillitteri Estates Winery in ontario nigara falls officially opened in 1993 producing 4300 cases of wine a year and progressively winning awards in Canada and abroad. The family 170 acres of vineyard...
-
Can you Identify the key facts in each of the hypotheticals presented using these four steps? Step 1: identify each cause of action Step 2: Determine the elements Step 3: List all facts related to...
-
The relaxation time for a material that obeys the WLF equation at 0C is 104 s. Its relaxation time at Tg is 10^13 s. What is the relaxation time of this material at 25C?
-
A car starting from rest moves in a straight line with a constant acceleration of 2 . 1 0 m / s for 1 0 . 5 s , then travels with a constant velocity for another 1 4 . 5 s . How far does it travel...
-
Find data or News articles about expert opinion on the financial (economy) impact of coronavirus in the US. And How is this going to change our lives relate to financial.
-
An educational researcher devised a wooden toy assembly project to test learning in 6-year-olds. The time in seconds to assemble the project was noted, and the toy was disassembled out of the childs...
-
Find the general form of the joint characteristic function of two jointly Gaussian random variables.
-
Once again, we will modify the light bulb in a manner similar to what was done in Exercise 3.44. Suppose we select two light bulbs to turn on when we leave the office for the weekend on Friday at 5...
-
Let X be a Cauchy random variable whose PDF is given by Find the PDF of Y = 1 / X. fto) = "bir b2+x2
-
Calculate \(43+18 \times 15\).
-
Calculate \(60^{2} / 50\).
-
Correctly apply the rules for the order of operations to accurately compute the following: \(12 /(-4)+8 \times 9 / 12 \times 2^{3}-24 \times 25 / 10\).
Study smarter with the SolutionInn App