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100% GUARANTEE PHYSICS 2017/2018 IS AVAILABLE NOW

By | On April 7, 2017 (4 months ago)

VERIFIED PHYSICS OBJ 

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48B

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07056010859 WE ARE THE BEST
===============================
GEOGRAPHY ANSWERS NOW AVAILABLE START SUBSCRIBING TO GET YOUR ANSWERS NOW DIRECT TO YOUR PHONE MTN 600 PASSWORD 400 TO 07056010859
============

SECTION A ANSWER 5 QUESTIONS

SECTION B ANSWER 3 QUESTIONS
============================================================
ANSWERS UPLOADED (1,2,3,4,5,6,7,8,10,11,12)
============================================================
TAKE NOTE OF THESE SYMBOLS AND UNDERSTAND THEM VERY WELL

(i) / means division or divide
Examples:
2/2 means 2/2 ie 2 over 2.
2 whole no 3/4 means 2¾
M=wp+(1/3)yp^2 means m=wp + ¾y2
—————–
(ii) * means multiplication
Example: 2*2 means 2×2
—————–
(iii) ^ means Raise to power
—————–
(iv) Sqr root means √
Examples:
√3-√6+2√3 means Root 3-root6+2root 3
√(¾) means sqr root(3/4)
——————

(1)
Decrease in height (h) increase in time (t), this shows that distance changes with time.

===================

(2)
h= 20m
u= 15m/s
g= 10m/s~2

R= u * square root 2h/g
R= 15 * square root 2 * 20/10
R= 15 square root 40/10
R= 15 * 2 = 30m.

2017 JAMB CBT: How to Score 250 – 270+ In Upcoming 2017 Jamb CBT Exam CLICK HERE

===================
(3 )
i ) Brownian motion
ii ) Atomic size
iii ) Expansion

===================
4)
L1=14cm F1=4N,F2=6N
L2=4cm, Lo=?
Using hooke’s law
4/14-Lo*6/4-Lo
4(4-Lo)=6(14-Lo)
16-4Lo=64-6Lo
-4Lo+6Lo=64-16
2Lo=48
Lo=48/2
Lo=24Cm
============

(5a)
Surface tension depend on
-Force
-Length

(5b)
By increasing the density mosquitoe’s larvae than the density of water
2017 JAMB CBT: How to Score 250 – 270+ In Upcoming 2017 Jamb CBT Exam CLICK HERE
===============================
6)
A)Energy efficient- so far the best light for interior lighting
B)Low production cost (of tubes, not of the ballasts)
C)Long life of tubes
===========
7)
i)It requires low voltage sources for it to function
ii)It cannot be easily broken
iii)It is cheaper and quite easy to manufacture
===================
(8b)
If their distance and masses are doubled their corresponding force would also be doubled and the work done respectively
I.e.Workdone=Force * distance
Force= Mass * Acceleration
W= Mg * d
|
Increase

8c)
-Acceleration due to gravity
– At maximum height, final velocity is zero

(8d)
(i) pushing someone on a swing.
(ii) Tuning a radio to a particular frequency.

===================
10a)
A wave front is an imaginary surface passing through the points of a medium oscillatory in phase

(10bi)
(i) Prismatic binoculars is used to see round corners
(II) Prism Periscope is used to bend and reflect light
(10bii)
(i) Refractive index of the glass prism
(II) The angle of the incident of ray

============
(11ai)
A dielectric is an electrical insulator that can be polorised by an applied electric field.

(11aii)
Given that A = 9.6*10^-3M^2
d = 2.25*10^4
Eo = 8.85*10^-12 F/m
Er = 900
C = /
using; C = EoErA/d

Capacity, C = 8.85*10^-12*900*9.6*10^-3/2.25*106-4
C = 33984 * 10^-11
C = 3.3984 8 10^7 F
C =0.34#F

=================================================================================

NECO/NABETEB RUNZ STILL ONGOING 07056010859 WE ARE THE BEST
===============================
physics obj
1-10: CAABADACCC
11-20:BAADDCBADA
21-30:CCBAAACBAB
31-40:BCADDBBBAC
41-50:BCDAADABCA

GEOGRAPHY ANSWERS NOW AVAILABLE START SUBSCRIBING TO GET YOUR ANSWERS NOW DIRECT TO YOUR PHONE MTN 600 PASSWORD 400 TO 07056010859
============

SECTION A ANSWER 5 QUESTIONS

SECTION B ANSWER 3 QUESTIONS
============================================================
ANSWERS UPLOADED BY MR_PROXYPIN (1,2,3,4,5,6,7,8,10,11,12)
============================================================
TAKE NOTE OF THESE SYMBOLS AND UNDERSTAND THEM VERY WELL

(i) / means division or divide
Examples:
2/2 means 2/2 ie 2 over 2.
2 whole no 3/4 means 2¾
M=wp+(1/3)yp^2 means m=wp + ¾y2
—————–
(ii) * means multiplication
Example: 2*2 means 2×2
—————–
(iii) ^ means Raise to power
—————–
(iv) Sqr root means √
Examples:
√3-√6+2√3 means Root 3-root6+2root 3
√(¾) means sqr root(3/4)
——————

(1)
Decrease in height (h) increase in time (t), this shows that distance changes with time.

===================

(2)
h= 20m
u= 15m/s
g= 10m/s~2

R= u * square root 2h/g
R= 15 * square root 2 * 20/10
R= 15 square root 40/10
R= 15 * 2 = 30m.

2017 JAMB CBT: How to Score 250 – 270+ In Upcoming 2017 Jamb CBT Exam CLICK HERE

===================
(3 )
i ) Brownian motion
ii ) Atomic size
iii ) Expansion

===================
4)
L1=14cm F1=4N,F2=6N
L2=4cm, Lo=?
Using hooke’s law
4/14-Lo*6/4-Lo
4(4-Lo)=6(14-Lo)
16-4Lo=64-6Lo
-4Lo+6Lo=64-16
2Lo=48
Lo=48/2
Lo=24Cm
============

(5a)
Surface tension depend on
-Force
-Length

(5b)
By increasing the density mosquitoe’s larvae than the density of water
2017 JAMB CBT: How to Score 250 – 270+ In Upcoming 2017 Jamb CBT Exam CLICK HERE
===============================
6)
A)Energy efficient- so far the best light for interior lighting
B)Low production cost (of tubes, not of the ballasts)
C)Long life of tubes
===========
7)
i)It requires low voltage sources for it to function
ii)It cannot be easily broken
iii)It is cheaper and quite easy to manufacture
===================
(8b)
If their distance and masses are doubled their corresponding force would also be doubled and the work done respectively
I.e.Workdone=Force * distance
Force= Mass * Acceleration
W= Mg * d
|
Increase

8c)
-Acceleration due to gravity
– At maximum height, final velocity is zero

(8d)
(i) pushing someone on a swing.
(ii) Tuning a radio to a particular frequency.

===================
10a)
A wave front is an imaginary surface passing through the points of a medium oscillatory in phase

(10bi)
(i) Prismatic binoculars is used to see round corners
(II) Prism Periscope is used to bend and reflect light

(10bii)
(i) Refractive index of the glass prism
(II) The angle of the incident of ray

============
(11ai)
A dielectric is an electrical insulator that can be polorised by an applied electric field.

(11aii)
Given that A = 9.6*10^-3M^2
d = 2.25*10^4
Eo = 8.85*10^-12 F/m
Er = 900
C = /
using; C = EoErA/d

Capacity, C = 8.85*10^-12*900*9.6*10^-3/2.25*106-4
C = 33984 * 10^-11
C = 3.3984 8 10^7 F
C =0.34#F

(11b) Loading…..

2017 JAMB CBT: How to Score 250 – 270+ In Upcoming 2017 Jamb CBT Exam CLICK HERE
============
(12ai)
Nuclear fission is a nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.

(12aii)
(a)A graphite reactor is a nuclear reactor that uses carbon as a neutron moderator, which allows un-enriched uranium to be used as nuclear fuel.

(12aii)
(b)Boron rods are used in
nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without themselves fissioning.

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