Question Paper Name: Paper I EHG 9th Jan 2019 Shift 2
Subject Name: Paper I EHG
Creation Date: 2019-01-09 20:44:41
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Duration: 180
Total Marks: 360
Display Marks: Yes
Paper I
Group Number : 1
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Group Id : 416529112
Group Maximum Duration : 0
Group Minimum Duration : 180
Revisit allowed for view?: No
Revisit allowed for edit?: No
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Break time: 0
Group Marks: 360
Physics
Section Id : 416529118
Section Number : 1
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Section type : Online
Mandatory or Optional: Mandatory
Number of Questions: 30
Number of Questions to be attempted: 30
Section Marks: 120
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Display Number Panel: Yes
Group All Questions: No
Sub-Section Number: 1
Sub-Section Id: 416529127
Question Shuffling Allowed : Yes
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Question Number : 1 Question Type : MCQ Option Shuffling: Yes Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 4 Wrong Marks : 1
Expression for time in terms of G (universal gravitational constant), h (Planck constant) and c (speed of light) is proportional to:
Options:
- v(Gh/c3)
- v(Gh)
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- v(Gh/c5)
- v(hc5/G)
Question Number : 2 Question Type : MCQ Option Shuffling: Yes Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 4 Wrong Marks : 1
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In a car race on straight road, car A takes a time t less than car B at the finish and passes finishing point with a speed 'v' more than that of car B. Both the cars start from rest and travel with constant acceleration a1 and a2 respectively. Then 'v' is equal to:
Options:
- v(2a1a2) t
- v(a1a2) t
- (a1 + a2)/2 t
- 2a1a2/(a1 + a2) t
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Question Number: 3 Question Type : MCQ Option Shuffling: Yes Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 4 Wrong Marks : 1
The position co-ordinates of a particle moving in a 3-D coordinate system is given by
x=a cos?t
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y = a sin?t
and z=a?t
The speed of the particle is :
Options:
- a?
- 2a?
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- v2 a?
- v3 a?
Question Number : 4 Question Type : MCQ Option Shuffling: Yes Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 4 Wrong Marks : 1
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A mass of 10 kg is suspended vertically by a rope from the roof. When a horizontal force is applied on the rope at some point, the rope deviated at an angle of 45° at the roof point. If the suspended mass is at equilibrium, the magnitude of the force applied is (g = 10 ms-2)
Options:
- 100 N
- 200 N
- 140 N
- 70 N
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Question Number : 5 Question Type : MCQ Option Shuffling: Yes Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
Correct Marks : 4 Wrong Marks : 1
A force acts on a 2 kg object so that its position is given as a function of time as x=3t2+5. What is the work done by this force in first 5 seconds?
Options:
- 950 J
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- 900 J
- 875 J
- 850 J
Question Number : 6 Question Type : MCQ Option Shuffling: Yes Display Question Number : Yes Single Line Question Option : No Option Orientation : Vertical
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Correct Marks : 4 Wrong Marks : 1
A rod of length 50 cm is pivoted at one end. It is raised such that if makes an angle of 30° from the horizontal as shown and released from rest. Its angular speed when it passes through the horizontal (in rad s
-1) will be (g = 10 ms
-2)
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