NEET Physics Preparation Notes Part-1

NEET Physics Preparation Notes
Part-1

1. Which one of following is not the vector quantity? 

A. torque 
B. displacement 
C. velocity 
D. speed 

speed

2. In an experiment the angle are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half a a degree (0.5°), then the least count of the instrument is . 

A. half minute 
B. one degree 
C. half degree 
D. one minute 

one minute

3. If the error in the measurement of the momentum of a particle is (+100%). Then the error in the measurement of kinetic energy is [AFMC 1998] 

A. 400% 
B. 300% 
C. 100% 
D. 200% 

300%

4. Two full turns of the circular scale of a screw gauge covers a distance of 1mm on its main scale. the total number of divisions on the circular scale is 50. Further, it is found that the screw gauge has a zero error of -0.03mm. While measuring the diameter of a thin wire,a student notes the main scale reading of 3mm and the number of circular scale division in line with the main scale as 35. The diameter of the wire is . 

A. 3.32 mm 
B.3.73mm 
C. 3.67mm 
D. 3.38mm 

3.38mm

5. When a copper sphere is heated, maximum percentage change will be observed in.. 

A. radius 
B. area 
C. volume 
D. none of these 

volume

6.The number of significant figures in 3400 is [AFMC 2000] 

A. 7 
B. 6 
C. 10 
D. 2 

2

7. Weber/m2 is equal to 

A. dyne 
B. tesla 
C. watt 
D. henry 

tesla

8. The unit of electric field is not equivalent to .. 

A. N/C 
B. J/C 
C. V/m 
D. J/Cm 

J/C


9. Chronometer measures [AFMC 2003] 

A. area 
B. time 
C. length 
D. temperature 

time

10. Which is not a unit of time? [AFMC 2003] 

A. leap year 
B. year 
C. second 
D. light year 

light year

11. Which one is a vector quantity? [AFMC 2003] 

A. Time 
B. temperature 
C. flux density 
D. magnetic field intensity 

magnetic field intensity





12. Light year is unit of [AFMC 2005] 

A. time 
B. speed 
C. distance 
D. none of these 

distance

13. If error in measurement of radius of sphere is 1%, what will be the error in measurement of volume? [AFMC 2005] 

A. 1% 
B. 1/3% 
C. 3% 
D. 10% 

1/3%





14. Minimum number of unequal vectors which can give zero resultant are [ AFMC 2005] 

A. 2 
B.3 
C. 4 
D. more than four 

3





15. "Pascal second" has the dimensions of [AFMC 2005] 

A. force 
B. force 
C. pressure 
D. coefficient of viscosity 

coefficient of viscosity





16.The magnetic moment has dimensions of [AFMC 2006] 

A. [LA] 
B. [L2A] 
C. [LT-1A] 
D. [L2TL-1A] 

[L2A]





17. If unit of F and L increases 3 times, the unit of energy will decease: 

A. 3 times 
B. 6 times 
C. 9 times 
D. 27 times 

6 times





18. Which of the following are not the units of self inductance? [AFMC 2010] 

A. Weber/Ampere 
B. Ohm-Second 
C. Joule-Ampere 
D. Joule-Ampere-2 

Joule-Ampere





19. The least count of a stop watch is 1/5 second. The time of oscillations of a pendulum is measured to be 25 second. Minimum % error in the measurement of time will be .. 

A. 0.1% 
B. 0.8% 
C. [M1 L2 T-2 C-1] 
D. 8% 

[M1 L2 T-2 C-1]





20. The length of rod a rod is (11.05±0.05)cm. What is the total length of 2 such rods?

A. (22.1 ±0.05)cm 
B. 22.10±0.05)cm 
C. (22.1±0.05)cm 
D. (22.10±0.10)cm 

22.10±0.05)cm



21. The length and breadth of a metal sheet are 3.124m and 3.002m respectively. The area of this sheet up to four correct significant figure is ... [ AIIMS 2001] 

A.

9.378 m2  


B.

9.37 m2


C.

9.378248 m2  


D.

9.3782 m2


9.378 m2  





22. If time period of oscillation of a pendulum is measured as 2.5 second using a stop watch with least count 0.5 sec, then the permissible error in the measurement is .. 

A. 10% 
B. 30% 
C. 20% 
D. 25% 

20%





23. Plank's constant(h) are taken as fundamental units in a system. The dimensions of time in this new system should be... [ AIIMS 2008] 

A. G1/2h1/2c-5/2 
B. G-1/2h1/2c1/2 
C. G1/2h1/2c-3/2 
D. G1/2h1/2c1/2 

G1/2h1/2c-5/2





24. Which of the following physical quantities do not have same dimensions? .. [ AIIMS 2007] 

A. pressure and stress 
B.tension and surface tension 
C. strain and angle 
D. energy and work 

tension and surface tension





25. Which of the following pair of quantities do not have the same dimensions.. [ AFMC 2011] 

A. potential gradient, electric field 
B. Torque, kinetic energy 
C. light year, time period 
D. Impedance, resistance 

light year, time period





26."Parsec" is the unit of ... [ AIIMS 2005] 

A. time 
B. distance 
C. frequency 
D. angular acceleration 

distance





27. When 2.0734 is added to 35.2 the sum is 

A. 37.2734 
B. 37.273 
C. 37.3 
D. 37.27 

37.3





28. The density of material in CGS system of unit is 4g/cm3. In a system of units in which unit of length is 10cm and unit of mass is 100g, the value of density of material will be.. [ CBSE-PMT 2011] 

A. 0.4 
B. 40 
C. 400 
D. 0.04 

40





29. If the dimensions of a physical quantity are given by Ma Lb Tc, then the physical quantity will be.. 

A. Velocity if a =1, b =0, c = -1 
B. Acceleration if a =1, b=1, c=-2 
C. Force if a=0, b=-1, c =-2 
D. Pressure if a =1, b= -1, c=-2 

Pressure if a =1, b= -1, c=-2





30. Which one of the following groups have quantities that do not have the same dimensions? [ CBSE-PMT 2001]

A. pressure, stress 
B. velocity, speed 
C. force and impulse 
D. work and energy 

force and impulse