IB Questionbank Physics Energy‚ Power and Climate 1. In which of the following places will the albedo be greatest? A. B. C. D. A forest A grassland An ocean A polar ice cap (Total 1 mark) 2. A spherical black body has absolute temperature T1. The surroundings are kept at a lower absolute temperature T2. What is the net power per unit area lost by the body? A. B. C. D. σT14 σT24 σ(T14 – T24) σ(T14 + T24) (Total 1 mark) IB Questionbank Physics 1 3. What is the unit of surface heat capacity
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Grunge Rubber Stamp Effect Step 1: Open up a stock image in Photoshop of any size and/or format. The best results for this tutorial usually involve large photographic images with effective color separation. Since the overall grunge effect will come out of this source image‚ it is best to select a photo with lots of vertical lines and straight edges going off at different angles. Rounded objects (especially ’natural’ objects) do not work very well. From personal experience I can say that construction-yard
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MIS5370: Database Design and Management Home work Question 1. After completing a course in database management‚ you have been asked to develop a preliminary ERD for a symphony orchestra. You discover the following entity types that should be included. • CONCERT SEASON: The season during which a series of concerts will be performed. Identifier is Opening_Date which includes Month‚ Day‚ and Year. • CONCERT: A given performance of one or more compositions
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candidate number and name on all the work you hand in. Write in dark blue or black pen in the spaces provided on the Question Paper. You may use a soft pencil for any diagrams or graphs. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Answer all questions. If working is needed for any question it must be shown below that question. The number of marks is given in brackets [ ] at the end of each question or part question. The total of the marks for this paper is 56. Electronic
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000(2.1743) + 250‚000(3.1272)(0.6086) = $823‚691 Q3.22 Use the cash flow diagram below to calculate the amount of money in year 5 that is equivalent to all the cash flows shown‚ if the interest rate is 12% per year. Amt‚ year 5 = 1000(F/A‚12%‚4)(F/P‚12%‚2) + 2000(P/A‚12%‚7)(P/F‚12%‚1) = 1000(4.7793)(1.2544) + 2000(4.5638)(0.8929) = $14‚145 Q 3.30 Find the value of x in the diagram below that will make the equivalent present worth of the cash flow equal to $15‚000‚ if
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Any system operating at audio frequencies (20 to 20‚000 Hz) is called an Audio System‚ e.g. an intercom‚ music systems etc. Following diagram (fig.1.1) shows the main features of such an audio system; FIGURE 1.1: Main blocks of an audio system 1.1 Radio tuner: It receives radio signals and converts them into electrical signals. FIGURE 1.2 1.2 CD player: It converts music and sound recorded digitally on a compact disc (CD) into analogue electrical signals. A CD consists of two plastic layers with
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Cryptography. Here‚ the secret is to convert the plain text‚ which is the usual text that we encounter daily‚ into a Cipher text which on sight looks just like a ordinary plain text but with a secret message hidden which can be only read by the person who knows the secret behind the new text. The above situation can be termed as Encryption and Decryption. The term Encryption means to convert the plain text into the Cipher text and Decryption means to convert the Cipher text back to plain text. Both
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BIOMETRICS VOTING SYSTEM by AMIT KUMAR SHARMA Table of Contents: Chapters Page No. 1 Introduction 1.1 Definition 1.2 Design 1.2.1 Summary of Design 1.3 Description of the Voting Machine 1.4 Block diagram for the whole process in brief 2 Voting System 2.1 Finger print scanner 2.1.1 Extraction of thumb impression 2.3 Feature extraction & comparison 2.3 Transfer of data to hard disk 3. Verification 3.1 Verification of voter 3
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Statement list b. Function diagrams c. Graphical programming languages Solution: - In PLC statement list: - This is a textual programming language this can be used to generate the code section of logic blocks in PLC program preparation. Its syntax for statements is similar to assembler language and consists of instruction followed by addressed on which on the instruction acts. A example of statement list used in plc programming. Function diagrams: - It is a graphical
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the bottom of the building‚ following the most direct structural path. b) Sketch an example of a load path from roof cladding to foundation for a brick veneer dwelling with trussed roof. Label clearly and indicate the load path with arrows. Diagram 1.b Page 3 Question 2 Outline the roles of the following people in the design of a building: Architect: design the building and supervise construction and cost. Service engineer: design layouts and requirements for Environmental
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