Multiple Choice Question on Basic Concept of Science Class XI-XII Standard Practice Test 10
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This is a mock drill question bank on Basic Concept of Science of Class XI and XII standard. The question bank consists of 10 questions with clock set for 10 minutes. After you finish the test, press Quiz Finish and you will get the answer sheet, your result and its comparison with others. You will also be given remarks containing the explanation about the answer and also about the distracters (other options) to build confidence on the subject.
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The Answer Key:
Sr No Question Answer Remarks 1 A person decided to build 1 F capacitor. What size of plates are required if the gap between the two plates is kept 0.5 cm. The value of ε₀=8.854*10˄ (-12)) 565 Km² C=ε₀*A/d; A= C*d/ε₀; A= 1*0.005/8.854*10˄ (-12) = 565 Km². Size of the plates are of very large size for building 1F capacitor. Don’t do precise calculation and try to match the answer. 2 What happens to the thermal coefficient of resistivity of pure metal when alloyed? decreases 3 A person is walking in front of a plane mirror at a speed of 0.3 m/sec. What is his speed relative to the image speed? 0.6 m/sec As the person is walking towards the plain mirror at a speed of 0.3 m/sec, his image is walking towards him at the same speed therefore, for relative motion, the speed adds. 4 This is not a microscopic variable in a thermodynamic system of gases Entropy The macroscopic variables are P,V,T and mole or mass 5 The ratio between the surface charge density and permittivity is Electric field between the two plates E=σ/ε₀ where σ is surface charge density 6 For conversion of galvanometer into ammeter, you will require a small in parallel to galvanometer For conversion of a galvanometer into a ammeter, you have to bypass maximum of current away from the galvanometer, and for that you need a parallel small resistance also called shunt in parallel. 7 The critical angle for total internal reflection reduces with the increase in refractive index The critical angle for total internal reflection is given by sin¯¹(1/µ); µ cannot be less than one and for greater values, critical angle will keep on reducing. 8 The constant in adiabatic process is Amount of heat 9 The constant in isochoric process is Volume 10 Irreversibility in thermodynamic process arises due to all Irreversibility is where all the energy input cannot be converted back -
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Question 1 of 10
1. Question
For conversion of galvanometer into ammeter, you will require
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Question 2 of 10
2. Question
The critical angle for total internal reflection reduces with the
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Question 3 of 10
3. Question
A person decided to build 1 F capacitor. What size of plates are required if the gap between the two plates is kept 0.5 cm. The value of ε₀=8.854*10˄ (-12))
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Question 4 of 10
4. Question
What happens to the thermal coefficient of resistivity of pure metal when alloyed?
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Question 5 of 10
5. Question
A person is walking in front of a plane mirror at a speed of 0.3 m/sec. What is his speed relative to the image speed?
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Question 6 of 10
6. Question
This is not a microscopic variable in a thermodynamic system of gases
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Question 7 of 10
7. Question
The ratio between the surface charge density and permittivity is
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Question 8 of 10
8. Question
The constant in adiabatic process is
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Question 9 of 10
9. Question
The constant in isochoric process is
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Question 10 of 10
10. Question
Irreversibility in thermodynamic process arises due to
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