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Subject
: Physics (Objective) Model Question
Class - IX
Time
: 35 minutes. Marks.
35
1. Where from was democritus ?
a)
India b) Italy
c)
Greece d) Egypt
2. In which year Ibn-E-Eunus died ?
a) 0995 b) 1009
c)
1005 d) 1109
3. How many Joules equal one giga Joule ?
a) 109 Joule b) 1012
Joule
106 Joule d) 10-9
Joule.
4. What is the mass of a body if weight of
the body 9.81 Newton
?
a)
98.1 kg b) 9.81
kg
c)
981 kg d) 1 kg
5. Where
is the acceleration due to gravity maximum ?
a) Equatorial region b) Polar region
c) On top of a mountain
d) Centre of the earth.
6. How
many watts equal one Hours Power.
a) 764 watt b) 750 watt
c) 756 watt d) 746 watt
7. The
man of a man is 70 kg and he runs at a vetocity of 6 ms-1. What is
his kinetic energy.
a) 4900 J b) 2460 J
c) 2520 J d) 1260 J
8. What
is the specific gravity of Ice ?
a) 1.oo b)
o.917
c) o.971 d) 1.o10
9. Find
out the lowest specific gravity ?
a) Kerosene oil b)
Turpentine oil
c) Alum
d) Glycerin
10. What
is the minimum time stable in Brain, when you hear a sound ?
a) o.o1 sec b) o.10 sec
c) o.20 sec d) o.o2 sec
11. Find
out the speed of sound in water ?
a) 332 m s-1 b) 1520 ms -1
c) 1450 ms -1 d) 1550 ms-1
12. How
much c.c of ice 1000 c.c of water will be converted into at ooc
?
a) 100 c.c b) 108 c.c
c) 109 c.c d) 110 c.c
13. At
what temperature water will boil at the tap of Everest ?
a) 1ooo c b) 900
c
c) 800 c d) 700
c
14. Find
out the thermal conductivity of Iron ?
a) 80 wm -1 k -1 b)
81 wm -1 k -1
c) 79 w m -1 k -1 d)
78 wm -1 k -1
15. Find
out the highest thermal conductivity below
a) Aluminium b) Iron
c) Copper d) Tin
16. Which
machine is compressor connected with ?
a) petrol engine b) Diesel engine
c) Steam energy d)
Refrigerator.
17. Which
energy is extracted out with the help of pump in Refrigerator ?
a) Mechanical energy b) Electric energy
c) Sound energy d) Chemical energy
18. How
many times is the wave length of gamma ray smaller than wave length of visible
light
a) 10,000 times b) 20,000 times
c) 40,000 times d) 50,000 times
19. What
is unit of illumination ?
a) Steredian b) Candela
c) Lumen d) Luse.
20. What
is the type of image formed by a plane mirror ?
a) Real b) Inverted
c) Magnified d) Virtual.
21. How
many times is the focol length of radius of curvature for a spherical mirror ?
a) One-third b)
Twice
c) Equal d) Half.
22. How
much proton is there is there inhuman body
a) more than 1028 b)
less than 1028
c) more than 1024 d)
less than 1024
23. Who
invented the Gold leaf Electroscope ?
a) Coulomb b) Ohm
c) Benet d) Volta.
25. Which
one is not magnetic substance ?
a) Iron b) Steel
c)
Cobalt d) Aluminium.
26. What
is thechemical formula of magnet ?
a) Feo b)
Fe2 o3
c) Fe3
o4 d) Fe2 o4
27. Which
type ofmay net is widely used in Tape-recorder and in the memory tape of a
computer.
a) Alloy magnet b) Ceramic magnet
c) A linco d)
Solfmagnet.
28. In
ferro-magnetic substance how does the magnetic dipole exist.
a) Separately enist b) Enist together
c) Exists for mingdomains
d)
Exists haphazardly.
29. Fromwhose
book has the name "A lgebra" Briginated.
a) Al-Ballani b) ptolemy
c) Al-Khwarizmi d) Al-Fazari.
30. What
is the specific gravity of mercury ?
a) 13.6 b) 13.7
c) 13.8 d) 13.7
31. Which
one is the unit of electric current ?
a) Volt b) Ampere
c) Watt d) Foul
32. Which
ingtrument can be used to measure the diameter of a cylinder ?
a) Meter scale b)
Vernier scale
c) Slide calipers d)
Yerd struck
33. Which
relation is correct ?
a) A1 = F2 b)
F2 =
A2.
A2 A2 F1 A1
c) F1 = A2 d)
A12 = F1 2
F2 A1
34. Which is the dimension of energy ?
a) MLT-1 b) MLT - 2
c) ML2 T - 2 d) ML2
T -1
35. Which is the unit of pressure ?
a)
Newton b) Joule
c) Wall d) Pascal.
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