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LON CAPA is used specially by Canadian students. Its used basically for two purposes. Home Work and Assignments 2. Online assessments. Since the advent of internet and computers, gone are the days when print outs of Homework were given by the professors at the end of every class. They now use more sophisticated computer programs to assign homework.

Such systems are also used for timely evaluation of the students through online tests. Such tests can be taken by the students at their home itself. LON CAPA is one of the platforms which are very widely used for this purpose.

Some other platforms of notable importance are 1. Mastering Physics platform. Wiley Plus platform. Students generally have a hard time solving LON CAPA problems. A majority of Physics professors ask some heart breaking problems to frustrate them.

A majority of the problems are so difficult that they require a physics genius to solve them. One needs to have an excellent knowledge and crystal clear concept to solve these problems. We, at myphysicsbuddy, provide exclusive LON CAPA experts so that you get the fastest solutions practically possible. With our expert LON CAPA tutors you will be getting amazed again and again by the precision and speed with which they solve your problems.

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LON-CAPA LON-CAPA Help LON-CAPA Help Hints are placed within tags. The first part of the hint is the condition, which includes a specification of the foil(s) and foil answer(s) required to trigger the hint. The answers specified in the hint condition are compared with the user's submission, and if the condition is met, the hint action included in the conditional hint block will be executed (for example this could be the display of a block of text). You can set multiple hint conditions for a particular problem. Hint conditions are identified by a name. The corresponding hint action includes this hint condition name in the 'on' parameter. When a hint condition evaluates to true, the corresponding hint action is triggered.

Besides providing hint actions within tags for each named (NAME) hint condition, a hint can be designated for display if none of the conditional hints evaluate to true. The default hint is not displayed if the conditions were met for any of the conditional hints. The default hint action is included between tags.

There are five types of hint condition:. Formula Hint condition. Numerical Hint condition. Option Response Hint condition. Radiobutton Hint condition. String Hint condition The syntax used to describe the foil(s) and the foil answer(s) differ for the five types:. Formula Hint condition The formulahint tag takes three parameters: answer, name, and samples.

The 'name' is the unique name given to the hint condition. The formula answer for which you wish to provide conditional is included in the answer parameter. The samples parameter includes the points (or range of points) over which sampling of the student's submitted answer and the formula included in the formula hint answer parameter are to be compared. The syntax is the same as used to specify sampling points in the samples parameter of the formula reponse tag itself. The formula submitted by the student is evaluated at the sample points for the hint and the calculated values are compared with the corresponding values determined by evaluating the 'hint' answer at the same sampling points. A close correspondence between the two sets of values will trigger the hint action specified in the tag. # Enter computations here $x1 = random(2,4,1); $y1 = random(3,7,1); $x2 = random($x1+1,9,1); $y2 = random($y1+1,15,1); $m = '($y2-$y1)/($x2-$x1)'; $b = '$y1-$m.$x1'; $answer = '$m.x+$b'; $answer = s/ +-/-/g; $answer = s/- +/-/g; $inverted = '($x2-$x1)/($y2-$y1)'; $wrongans = '$inverted.x'; $wrongans = s/ +-/-/g; $wrongans = s/- +/-/g; What is the equation of the line which passess through ($x1,$y1) and ($x2,$y2)?

Y = You have inverted the slope in the question. Slope is (y2-y1)/(x2 - x1) you have the slope as (x2-x1)/(y2-y1).

Numerical Response condition The numericalhint tag takes four parameters: answer, name, unit and format. The 'name' is the unique name given to the hint condition. The numerical answer for which you wish to provide conditional is included in the answer parameter.

Student submission of that answer in combination with the 'unit' parameter in the hint condition will trigger the hint action specified in the tag. A car travels 10 km in 10 min.

What is the speed of the car? You multiplied the distance by the time. Remember speed = distance/time. Option Response Hint condition There are two types of option response hint conditions: one for standalone foils and one for concept groups. In both cases the option hint tag includes two parameters: answer and name for standalone foils, and concept and name for foils grouped together in a concept group. For the answer parameter, the names and submitted values for each of the foils that are being included in the hint condition are provided in a hash, i.e., in the format: ('Foil1'= 'True','Foil2'= 'False').

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In the case of a conditional hint for a concept group, the format of the concept parameter is also a hash that links the name of each concept group included in the hint condition to either 'correct' or 'incorrect' - e.g., 'correct','density'= 'correct')' name='fluids' / If 'correct' is specified for a named concept then when the conditional hint is evaluated answers for each of the foils selected by a student must be correct for the hint action to be triggered. If anything other than 'correct' is provided in the concept hash in the optionhint tag then then students answers will be compared with the set answers for the foils in the concept group and as long as at least one answer is incorrect (i.e., the concept group was not correctly answered) then the corresponding hint action will be triggered. optionresponse For each of the following rock types, indicate whether or not the rock is a volcanic rock.

Schist Marble Basalt Gabbro Granite 'Yes','marble'='Yes')' name='metamorphic'/ 'Yes','granite'='Yes')' name='plutonic' / Schist and Marble are both examples of metamorphic rocks as described on page 2 of the textbook. Granite and Gabbro are both examples of igneous rocks that crystallized beneath the surface, i.e., they are plutonic rocks. Volcanic rocks are described on page 22 of the textbook.

optionresponse with concept groups Choose the likely plate boundary type, where you are most likely to encounter each of the following geologic features or phenomena. Normal faults Strike-slip faults Thrust faults Large Magntitude, deep and intermediate focus earthquakes Large magnitude, shallow focus earthquakes Low magnitude shallow focus earthquakes Broad area of elevated topography with a central rift valley. A narrow linear fault zone with limited topgraphic expression.

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A deep trench adjacent to a volcanic arc. Explosive volcanism involving volatile-rich viscous magma. Non-explosive outpourings of low-viscosity magma. No volcanic activity.

'incorrect')' name='quakes' / 'incorrect')' name='volcactivity' / 'incorrect')' name='relief' / Volcanism requires a source of magma. Magma can be generated by either a depression in the solidus caused by an influx of volatiles, or by decompression melting. Magma rich in volatiles tends to cause explosive volcanism.

Earthquakes require brittle failure, so there is a correlation between the depth of earthquake foci and the geotherm. The geotherm is depressed in subduction zones, and elevated at mid-ocean ridges.

On a broad scale topography is an expression of density variation, as embodied in the concept of isostasy. Density variation in the earth is a function of temperature and composition.

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Cold oceanic crust entering a subduction zone is dense, whereas as magma is buoyant and of lower density. The characteristics of plate boundaries are described on page 52 of the textbook. Radiobutton Hint condition The radiobutton hint tag takes two parameters: answer and name. The name is the name of the hint condition, and the answer is an array. The first element of the array will be 'foil'; the remaining elements are the names of the foils that you require to have been checked by the student for the hint to be displayed. For example, if you create a radiobutton response problem with six foils named: granite, gabbro, gneiss, shale, sandstone and schist, and you want your hint named: igneous to be displayed when either granite or basalt had been checked your radiobutton hint would be as follows: In order to trigger display of this hint you also need to create a block that will include a textblock that contains the text of the actual hint.

This type of rock is composed of interlocking crystals, a characteristic of igneous rocks. The complete radiobutton response would look as follows: Which of the following is a sedimentary rock? Granite Gabbro Schist Gneiss Shale Sandstone This type of rock is composed of interlocking crystals, a characteristic of igneous rocks. This type of rock is composed of oriented crystals, a characteristic of foliated metamorphic rocks.

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String Hint condition The radiobutton hint tag takes two parameters: answer and name. The name is the name of the hint condition, and the answer is a text string.

The type parameter allows you to choose between case sensitive, case insensitive, and case insensitive in any order. A simple example is shown below. Which US state has Lansing as its capital? The state capital of Wisconsin is Madison. The state capital of Minnesota is St. The state you are looking for is also known as the 'Great Lakes State'.