Yak Ssc Cgl 2017 Exceptional : Physics Questions From Previous Papers - Laid Upwards 2

1. Surface tension inwards a liquid is due to :
1. Adhesive forcefulness betwixt molecules
2. Cohesive forcefulness betwixt molecules
3. Gravitational forcefulness betwixt molecules
4. Electrical forcefulness betwixt molecules
2. A circular plate, a cube and  a sphere, all made upwards of same fabric as well as having the same mass, are heated to 300°C as well as left inwards a room. Which of them volition bring the slowest charge per unit of measurement of cooling ?
1. Circular plate
   
2. Cube
3. Sphere
4. All volition cool at the same rate
3. Optic fibres are used inwards ?
1. CAT scans
2. X-ray photos
3. Ultrasound Scans
4. Endoscopy
4. Two waves, each of aAmplitude 1.5 mm as well as frequency 10Zz, are traveling inwards contrary direction alongside a speed of twenty mm/s. The distance inwards mm betwixt next nodes is :
1. 1.0
2. 1.2
3. 1.5
4. 2.0
5. The snowfall on the mountains does NOT melt all at in 1 lawsuit when it is heated past times the Sun because :
1. it becomes real hard
2. it reflects close of the oestrus from the sun
3. it has a depression specific oestrus capacity
4. it has a high latent oestrus of fusion
6. A soul standing on a railway platform listens to the whistles of arriving as well as departing trains. The whistle heard is 
1. the same inwards both cases inwards all respects
2. of higher intensity when prepare arrives
3. of higher pitch when prepare arrives
4. of higher pitch when prepare departs
7. Holography is a technique of 
1. recording a permanent, sudden tow dimensional dark as well as white or multicolour photograph
2. recording a permanent iii dimensional multicolour pohtograph
3. recording a permanent iii dimensional dark as well as white photograph
4. recording a permanent iii dimensional photograph of a given unmarried color or a multicolour
8. The velocity of audio inwards moist air is to a greater extent than than inwards dry out air because the moist air has 
1. less density than dry out air
2. less pressure level than dry out air
3. more pressure level than dry out air
4. more density than dry out air
9. An H2O ice block alongside a slice of atomic number 82 embedded inwards it floats inwards water. If H2O ice melts the H2O level
1. rises
2. falls
3. remains same
4. falls start as well as and then rises
10. The velocity of oestrus radiations inwards vacuum is 
1. equal to that of light
2. less than that of light
3. greater than that of light
4. equal to that of sound
11. The plastic fabric usually used for making gear wheels is 
1. polyesters
2. nylons
3. bakelit
4. polystyerene
12. Ultra purplish radiations of the Dominicus create non hit the public because, earth's atmosphere is surrounded by
1. carbon dioxide
2. ammonia
3. chlorine
4. ozone
13. "Curie" is a unit of measurement of :
1. Radioactivity
2. Temperature 
3. Heat
4. Energy
14. Which of the next is used inwards oven ?
1. X-rays
2. UV rays
3. Microwaves
4. Radiowaves
15. When heated from 0° to 10°C book of a given majority of H2O volition :
1. increase gradually
2. decrease gradually
3. increase as well as and then volition decrease
4. decrease as well as and then volition increase

Read Set 1 from HERE

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