1. Which two of the following compounds belong to the same homologous series?
a. C2H6O2 and C2H6O
b. C6H6O2 and CH4O
c. C2H6O and CH4O
d. C2H6O and C2H6
2. A cart of mass 500Kg is pulled by a horse and acceleration produced in it is 4m\sec2 . The force exerted by the horse is
a. 2000 N
b. 2000kgwt
c. 2000 dynes
d. None of these
3. A body of mass 2kg is thrown up vertically with a kinetic energy of 490J. The height at which the kinetic energy of the body becomes half of the initial value is (g=9.8m\s2)
a. 10m
b. 12.5m
c. 25m
d. 50m
4. A magnetic field line
a. is the path along which a free north pole tend to move
b. is the path along which a free iron particle tends to move
c. is the path along which a magnetic needle tends to move
d. is the path along which a line is traced
5. A body in uniform motion in one dimension moves from a position X1 at time t1 to another position X2 at time t2. Which of the statement is wrong for this motion?
a. Actual distance covered in time t1 to t2 is magnitude of displacement
b. The velocity calculated by making any choices for t1 and t2 always give the same result
c. A larger value of the difference t2-t1 will give a small value of velocity because velocity is obtained by dividing t2-t1
d. None of these
6. A 1000w heater is used every day for 90 minutes. This heater will consume units of electrical energy in 30 days
a. 45 units
b. 90 units
c. 30 units
d. 60 units
7. If the diameter of the earth becomes two times its present value and its mass remains unchanged, then the weight of an object on the surface of the earth becomes
a. one eighth
b. one fourth
c. half
d. remains same
8. The direction of force acting on a current carrying conductor placed in magnetic field is determined by
a. Right hand thumb rule
b. Cork screw rule
c. Fleming’s right hand rule
d. Fleming’s left hand rule
9. Which part of the eye is adjustable in accordance with the light conditions?
a. Iris
b. Retina
c. Pupil
d. Lens
10. There is no atmosphere on the moon because
a. it is close to the earth
b. it revolves around the earth
c. its acceleration due to gravity is low
d. its acceleration due to gravity is high
11. If the mass of both the bodies is reduced to half. The gravitational force between them becomes
a. Double
b. Four times
c. One fourth
d. one-half
12. Which colour component of white light is deviated the most through a prism
a. Red
b. Yellow
c. Blue
d. Violet
13. A body moving in a circle travels distance which is directly proportional to time. The body travels with
a. Zero velocity
b. Constant speed
c. uniform velocity
d. constant acceleration
*Answers will be updated soon
a. C2H6O2 and C2H6O
b. C6H6O2 and CH4O
c. C2H6O and CH4O
d. C2H6O and C2H6
2. A cart of mass 500Kg is pulled by a horse and acceleration produced in it is 4m\sec2 . The force exerted by the horse is
a. 2000 N
b. 2000kgwt
c. 2000 dynes
d. None of these
3. A body of mass 2kg is thrown up vertically with a kinetic energy of 490J. The height at which the kinetic energy of the body becomes half of the initial value is (g=9.8m\s2)
a. 10m
b. 12.5m
c. 25m
d. 50m
4. A magnetic field line
a. is the path along which a free north pole tend to move
b. is the path along which a free iron particle tends to move
c. is the path along which a magnetic needle tends to move
d. is the path along which a line is traced
5. A body in uniform motion in one dimension moves from a position X1 at time t1 to another position X2 at time t2. Which of the statement is wrong for this motion?
a. Actual distance covered in time t1 to t2 is magnitude of displacement
b. The velocity calculated by making any choices for t1 and t2 always give the same result
c. A larger value of the difference t2-t1 will give a small value of velocity because velocity is obtained by dividing t2-t1
d. None of these
6. A 1000w heater is used every day for 90 minutes. This heater will consume units of electrical energy in 30 days
a. 45 units
b. 90 units
c. 30 units
d. 60 units
7. If the diameter of the earth becomes two times its present value and its mass remains unchanged, then the weight of an object on the surface of the earth becomes
a. one eighth
b. one fourth
c. half
d. remains same
8. The direction of force acting on a current carrying conductor placed in magnetic field is determined by
a. Right hand thumb rule
b. Cork screw rule
c. Fleming’s right hand rule
d. Fleming’s left hand rule
9. Which part of the eye is adjustable in accordance with the light conditions?
a. Iris
b. Retina
c. Pupil
d. Lens
10. There is no atmosphere on the moon because
a. it is close to the earth
b. it revolves around the earth
c. its acceleration due to gravity is low
d. its acceleration due to gravity is high
11. If the mass of both the bodies is reduced to half. The gravitational force between them becomes
a. Double
b. Four times
c. One fourth
d. one-half
12. Which colour component of white light is deviated the most through a prism
a. Red
b. Yellow
c. Blue
d. Violet
13. A body moving in a circle travels distance which is directly proportional to time. The body travels with
a. Zero velocity
b. Constant speed
c. uniform velocity
d. constant acceleration
*Answers will be updated soon