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How long force is necessary to strech a 2 mm diameter copper wire ( youngs modulus of copper is 11*10 10 N/m2 ) by 2%?
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A copper wire of length 4 m , cross sectional area = 7.1 *10-6 m and youngs modulus is 11*1010 N/ m2 has a 200 kg load hang on it . What is the increase in length?
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In the figure shown , What is the net torque about O if the length of the weightless beam is 4 m
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It is the amount of matter in an object.
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It is a science in which all other natural and engineering sciences are built.
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What is the factor for giga?
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Which of these is not a type of motion?
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What is the product of mass and velocity?
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What is the unit of mass?
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The Element of an electric heater is made of____
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When water is heated from 0 degrees Celsius to 100 degrees Celsius, the volume of water__
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At what temperature are the temperature in Celsius and Fahrenheit scales equal?
This is an advanced version of a physics quiz.
Questions: 25 | Attempts: 7
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Sample QuestionThe Element of an electric heater is made of____
This is the Physics Pre-test.
Questions: 59 | Attempts: 17
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Sample Question100mL is equal to
We've seen it many times in movies, where plates fly just by looking at them, and glasses break from a single gesture by the person performing telekinesis but do we know how it really works in real life? Do you...
Questions: 10 | Attempts: 100
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Sample QuestionWhat's the other term for telekinesis?
Are you in your year seven (as in England, Australia, Wales, New Zealand, and Northern Ireland) or Sixth grade as in the United States and Canada)? Take this assessment test to assess your knowledge of physics.
Questions: 10 | Attempts: 100
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Sample QuestionFrequency is measured in...
Set your stopwatch and talk this test in 36 minutes or less to test your multiple choice skills and prepare for your half yearly exam.
Questions: 15 | Attempts: 13
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Sample QuestionA device launches two identical balls (x and y) simultaneously in a horizontal direction from the same height. The results are shown. Which statement correctly describes what happens?
Questions: 18 | Attempts: 9
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Sample QuestionHot air sinks but cold air rises?
CXC Syllabus on Forces
Questions: 18 | Attempts: 5
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Sample QuestionWhat is a force?
Physics is an integral part of science which reveals the relationship and interaction between the energy and matter. How well do you know physics? Here's a short quiz.
Questions: 10 | Attempts: 10
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Sample Question3D shapes can be formed form the combination of 2D shapes
Gravity, acceleration, velocity. Just how much do you know about this subject. Take this test to test your knowledge on one of the most important subjects governing the universe.
Questions: 10 | Attempts: 10
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Sample QuestionPi is
Do you know Physics? Especially the part about nuclear energy. Let's see if the points of the Physics teacher really got through.
Questions: 10 | Attempts: 10
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Sample QuestionWhich one do you like?
Questions: 121 | Attempts: 7
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Sample Question"Nature abhors a vacuum" is a postulate attributed to whom?
Questions: 16 | Attempts: 6
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Sample QuestionPatients who have had a discectomy should receive Gd of the L-spine to differentiate between scar tissue and herniated disc.
Questions: 16 | Attempts: 7
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Sample QuestionIn breast imaging, the use of Gd followed by repeated rapid acquisitions is helping to determine the nature of suspicious lesions within breast tissue.
Questions: 15 | Attempts: 9
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Sample Question2D TOF-MRA disadvantages include? (select all that apply
Questions: 15 | Attempts: 8
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Sample QuestionPeripheral Gating uses a photo-sensor attached to the patient’s finger to detect the increase in blood volume in the capillaries.
Questions: 17 | Attempts: 8
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Sample QuestionTo create liquid helium, the helium gas must be compressed. 748 liters of helium gas makes one liter of liquid helium. In a scanner with a cryostat volume of 2000 liters, a helium boil off would give off approximately __________ liters of gas.
Questions: 17 | Attempts: 6
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Sample QuestionThe following potential projectiles should not be brought into the MR scanner room. (select all that apply)
Questions: 10 | Attempts: 9
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Sample QuestionMoire' artifact is a combination of wrap and field inhomogeneity in spin echo sequences.
Questions: 15 | Attempts: 10
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Sample QuestionIf the receive bandwidth = +/- 16 KHz, and if 256 frequency samples are collected, what is the frequency range of each pixel?
Questions: 15 | Attempts: 11
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Sample QuestionTo reduce truncation artifact, decrease phase encoding steps from 256 to 128.
Questions: 20 | Attempts: 10
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Sample QuestionAs velocity of flow increases, the time of flight effect:
Questions: 18 | Attempts: 14
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Sample QuestionA pulse sequence with a given set of parameters allows a maximum of 20 slices. If 2 saturation pulses are then added, one would expect the maximum number of slices to:
Questions: 10 | Attempts: 6
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Sample QuestionIn Spin Echo and Fast Spin Echo imaging, the first RF pulse is delivered with enough energy to flip the NMV to what degree?
Questions: 15 | Attempts: 6
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Sample QuestionEach manufacturer uses different acronyms to distinguish between individual pulse sequences. A fast spin echo on a Siemens scanner is called:
Questions: 17 | Attempts: 6
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Sample QuestionIf we were to select a frequency value of 256 and a phase value of 192, we would have an isotropic pixel?
Questions: 17 | Attempts: 6
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Sample QuestionWhich of the following occurs when the receive bandwidth is reduced?
Questions: 17 | Attempts: 6
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Sample QuestionIf you apply a gradient and are at 2 cm negative to isocenter at 1T, what is the Larmor frequency of hydrogen at that location?
