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Q1. Choose the correct options i.e. A, B, C, or D and fill the circle.
1. The sum of two perpendicular forces 8N and 6N is
2N 10N 14N 5N
2. If A Bsinθ=ABcosθ then a ngle b etween the A and B i s
3. Th e magnitude of unit v ector i ×j is
4. Cr oss product of j×k is
5. Im pulse has same unit a s that of
6. Bal listic massiles are use d for
Very long ranges
7. Th e area between the v elocity time graph is equal t o
8. Th e velocity of an object is do ubled then its K.E is
9. If t he force acting on th e body is doubled then the accele ration is
10 . Hig ht of projectile is ma ximu m at the angle of
11. For which pair of the horizontal ranges of the projectile is equal
30,45 30,60 50.70 20,40
12. Area under the force displacement graph is equal to
13 . Tid al energy is due to th e grav itational pull of the
14 . W hich is the non conser vative force
15 . W hich one is the non-re newa ble energy source
16 . W hich one is the conser vative force
Elastic spring force
Tension in the string
17 . In t he rotational motion analo gous of force is
19 . In r otational motion the analo gous of mass is
Moment of inertia
20 . Th e number of satellite i n the global positioning sys tem is
21 . W hich electromagnetic i s use d for the satellite com munic ation
22. If a body rotates under the centripetal force is then the centripetal accelera tion is
23. Equation of continuity give the conservation of
Energy Mass Power Density
24. Terminal velocity in the fluid of a particle depends upon the
Nature of the fluid
Acceleration of the particle
Force on the particle
Angular velocity of the particle
25 . Hig h concentration of re d blo od cells increase the v iscosit y of blood from
2-3 times of water
3-5 times of water
7-9 times of water
5-7 times of water
26 . A 2 0m high tank is full o f wate r. A hole appears at i ts mid dle. The speed of efflux will be
27 . 1 t orr is equal to
28 . If t he radius of the dropl et bec omes half, then the t ermin al velocity is
29 . Blo od has density equal to
30 . Pro duct of frequency an d tim e period is
31 . If t he length of simple is doubl ed then its time peri od is
32 . Dis tance covered by bo dy in o ne vibration is 20cm. The a mplitude of the vi bratio n will be
33. Tunning of radio is the best example of
Mechanical resonance Electrical resonance Magnetic resonance Musical resonance
34. Frequency of second pendulum is
35 . Sp eed of sound in vacuu m is
36 . Sp eed of sound in vacuu m at 0 0 C
37 . Th e louder the sound th e grea ter will be the
38 . It b of t ecomes difficult to r
wo sounds is more t ecogni
han ze the beats whn the differ ence in the betwe en the two frequencies
39 . Dis tance between the a djacen t node and antinode is
40 . Th e value of ϒ for polyat omic gasses is
41 . Th e wavelength of a wa ve for closed pipe having th e leng th l its fundament al mo de is
42 . Fri nge spacing increases when we use
43. Polarization proves that the light waves are
For which of the following colors will be the fringes width will be minimum in the double slit 44.
Violet Red Green Yellow
45. Thin film shows color due to
46 . Th e light energy travels in spa ce as waves was firstl y perp osed by
47 . Ne ar point for a person i s
48 . Effi ciency of diesel engi ne is
49 . In which process the ent ropy of the system remain s const ant
50 . Sol id ice, liquid water, a nd wa ter vapors consist in t herm al equilibrium at a tempe rature
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