Yak Ssc Cgl 2017 Particular : Physics Questions From Previous Papers - Laid Upward 1

1. For which, Diode is used ?
1. modulation
2. oscillation
3. amplification
4. purification
2. Who with the next developed the applied scientific discipline of hush-hush nuclear explosion ?
1. Dr. Homi J. Bhabha
2. Dr. Vikram Sarabhai
   
3. Dr. Raja Ramanna
4. Dr. P. K. Iyengar
3. Which with the next types of coal produces almost estrus per unit of measurement ?
1. Coal
2. Lignite
3. Anthracite
4. Pit
4. Which with the next waves is used for communication yesteryear artificial satellites ?
1. Micro Waves
2. Radio Waves
3. A.M.
4. Frequency of 10^16 series
5. What is establish inwards frequency modulation ?
1. Fixed frequency
2. Fixed dimension
3. Change inwards frequency too dimension  
4. Change inwards dimension only 
6. When the speed of auto is doubled, too then what volition endure the braking forcefulness of the auto to halt it inwards the same distance ?
1. four times
2. two times
3. half
4. one-fouth
7. The dimension of which of the next is the same equally that of impulse ?
1. Volume
2. Momentum
3. Torque
4. Change inwards the charge per unit of measurement of momentum
8. Which with the next is the primal quantity ?
1. Volume
2. Time
3. Velocity
4. Force
9. When a scream upwards of metallic is heated what happens to its hole ?
1. expands
2. contracts
3. it expands or contracts according to its diameter
4. it expands or contracts according to its coefficient of expansion 
10. If the diameter of a capillary is doubled, too then the rising of H2O inwards it volition be
1. two times
2. half
3. four times
4. no change
11. Why the needle of Fe swims on H2O surface when it is kept gently ?
1. It volition stay nether the water, when it volition forcefulness out to a greater extent than H2O than its weight
2. the density of needle is less than that of water
3. due to surface tension
4. due to its shape
12. The volume of a star is 2 times the volume of the Sun. How it volition come upwards to an destination ?
1. Neutron Star
2. Black hole
3. White Dwarf
4. Red Giant
13. Rain drops autumn from swell height. Which with the next statements is truthful regarding it ?
1. they autumn with that ultimate velocity, which are unlike for unlike droplets
2. they autumn with same ultimate velocity
3. their velocity increases too they autumn with differnt velocity on the earth 
4. their velocity increases too they autumn with same velocity on the earth
14. On which of the next techniques photostat machine plant ? 
1. Magnetic Image - Making
2. Thermal Image - Making
3. Electrostatic Image - Making
4. Electromagnetic Image - Making
15. One Kilowatt hr is equal to ?
1. 3.6 Mega Joule
2. 3.8 Mega Joule
3. 3.2 Mega Joule
4. 4.0 Mega Joule 
16. What is the minimum escape velocity of rocket to endure launched into infinite ?
1. 5 Km/Sec
2. 6 Km/Sec
3. 11 Km/Sec
4. 15 Km/Sec
17. Which of the next statements is truthful when nosotros encounter 'rainbow' ?
1. We appear upwards Sun too raindrops 
2. The Sunday remains behind us too nosotros appear upwards raindrops
3. In low-cal rainfall, nosotros appear upwards Sun
4. The heaven remains clear too the Sun is at lower seat inwards the sky
18. How much calorie of loose energy is released yesteryear a boiled egg ?
1. 40
2. 50
3. 60
4. 77
19. The splitting of unlike colours of low-cal inwards a prism is : 
1. Reflection of light
2. Dispersion of light
3. Diffraction of light
4. Refraction of light
20. A boat volition submerge when it displaces H2O equal to its ain :
1. volume
2. weight
3. surface area
4. density 

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