Deemed University 2010 B.C.A Computer Application University: Lingayas University Term: I Title of the : BASICS OF PHYSICS - Question Paper
Roll No. ..
Lingayas University, Faridabad
BCA 1st Year (Term-I)
Examination Nov, 2010)
Basics of Physics (PH-1104)
[Time: 3 Hours] [Max. Marks: 100]
Before answering the question, candidate should ensure that they have been supplied the correct and complete question paper. No complaint in this regard, will be entertained after examination.
Note: All questions carry equal marks. Attempt five questions. Question No. 1 is compulsory. Select two questions from Section B & two from Section C.
SECTION A
Q-1. Part - A.
Select the correct answer of the following multiple choice questions. (1x10)
(i) Force is represented by the formula
(a) F = ma (b) m =Fa (c) a = Fm (d) Fa = m
(ii) The average power (Pav) delivered by an agent is given by
(a) 
(b)
(c) 
(d)
(iii) Charge an electron is given by
(a) 2.9 x 10-9 C (b) 1.6 x 10-19 C
(c) 5.1 x 108 C (d) 8.9 x 108 C
(iv) Electrical capacitance is given as
(a) Q = CV (b) V = CQ (c) C = QV (d) Q =V
(v) Unit of capacitance is
(a) farad (b) m/s (c) V/m (d) ohm
(vi) Unit of electric current is
(a) 1 coulomb (b) 1 ampere (c) Volt (d) Voltmeter
(vii) Ohms law is given by
(a) 
(b)
(c)
(d)
R = I
(viii) Whenever the amount of magnetic flux linked with a circuit changes an e.m.f. is induced in the circuit. This is
(a) Faradays law (b) Gauss law
(c) Lenzs law (d) Ampere law
(ix) Direction of electric lines of forces is
(a) +ve to ve (b) ve to +ve
(c) neutral (d) 0
(x) Conservation of energy means
(a) energy is constant (b) energy is high
(c) energy is low (d) nothing
Part B
(a) (i) Describe Newtons second law of motion. (5)
(ii) Write and define different forms of energy.
(b) (i) Explain electrostatics of conductors. (5)
(ii) Write principle of capacitor and define parallel plate capacitor.
SECTION B
Q-2. (a) Explain law of inertia. (10)
(b) What is the difference between conductors and insulators? (10)
Q-3. (a) Describe electrostatic potential and give expression for potential energy. (10)
(b) Deduce Coulombs law from Gausss theorem. (10)
Q-4. (a) Write short note on following: (10)
(i) current
(ii) resistance
(iii) ohms law
(iv) resistivity
(v) solenoid
(b) What is the effect of dielectrics in capacitors? (10)
SECTION C
Q-5. (a) Explain Kirchoffs law. (10)
(b) Describe Oersteds discovery. (10)
Q-6. (a) Describe laws of thermoelectricity and its applications. (10)
(b) Describe Amperes circulate law. (10)
Q-7. (a) Define Faraday law. (10)
(b) Write Faradays experiment in detail. (10)
Q-8. (a) Describe Lenzs law. (10)
(b) Describe electromagnetic induction and Lorentz force. (10)
Roll No. ..
Lingayas University, Faridabad
BCA 1st Year (Term-I)
Examination Nov, 2010)
Basics of Physics (PH-1104)
[Time: 3 Hours] [Max. Marks: 100]
Before answering the question, candidate should ensure that they have been supplied the correct and complete question paper. No complaint in this regard, will be entertained after examination.
Note: All questions carry equal marks. Attempt five questions. Question No. 1 is compulsory. Select two questions from Section B & two from Section C.
SECTION A
Q-1. Part A
Select the correct answer of the following multiple choice questions. (1x10)
(i) Force is represented by the formula
(a) F = ma (b) m =Fa (c) a = Fm (d) Fa = m
(ii) The average power (Pav) delivered by an agent is given by
(a) (b)
(c) (d)
(iii) Charge an electron is given by
(a) 2.9 x 10-9 C (b) 1.6 x 10-19 C
(c) 5.1 x 108 C (d) 8.9 x 108 C
(iv) Electrical capacitance is given as
(a) Q = CV (b) V = CQ (c) C = QV (d) Q =V
(v) Unit of capacitance is
(a) farad (b) m/s (c) V/m (d) ohm
(vi) Unit of electric current is
(a) 1 coulomb (b) 1 ampere (c) Volt (d) Voltmeter
(vii) Ohms law is given by
(a) (b)
(c)
(d)
R = I
(viii) Whenever the amount of magnetic flux linked with a circuit changes an e.m.f. is induced in the circuit. This is
(a) Faradays law (b) Gauss law
(c) Lenzs law (d) Ampere law
(ix) Direction of electric lines of forces is
(a) +ve to ve (b) ve to +ve
(c) neutral (d) 0
(x) Conservation of energy means
(a) energy is constant (b) energy is high
(c) energy is low (d) nothing
Part B
(a) (i) Describe Newtons second law of motion. (5)
(ii) Write and define different forms of energy.
(b) (i) Explain electrostatics of conductors. (5)
(ii) Write principle of capacitor and define parallel plate capacitor.
SECTION B
Q-2. (a) Explain law of inertia. (10)
(b) What is the difference between conductors and insulators? (10)
Q-3. (a) Describe electrostatic potential and give expression for potential energy. (10)
(b) Deduce Coulombs law from Gausss theorem. (10)
Q-4. (a) Write short note on following: (10)
(i) current
(ii) resistance
(iii) ohms law
(iv) resistivity
(v) solenoid
(b) What is the effect of dielectrics in capacitors? (10)
SECTION C
Q-5. (a) Explain Kirchoffs law. (10)
(b) Describe Oersteds discovery. (10)
Q-6. (a) Describe laws of thermoelectricity and its applications. (10)
(b) Describe Amperes circulate law. (10)
Q-7. (a) Define Faraday law. (10)
(b) Write Faradays experiment in detail. (10)
Q-8. (a) Describe Lenzs law. (10)
(b) Describe electromagnetic induction and Lorentz force. (10)
| Earning: Approval pending. |
