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Physics Grade 11 New curriculum textbook book

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Which of the following measurements is used to quantify rotational motion?
   A) Mass
   B) Velocity
   C) Angular velocity
   D) Acceleration

📌 Physics questions

1. A cart moving at a speed V collides with an identical stationary cart on an air track and the two stick together after collision. What is their velocity after collision? (UEE: 2003).
A. -0.5 V.
B. Zero.
C. 0.5 V.
D. V.

2. Which one of the following statements is true about the motion of a particle in a circular path? (UUE: 2006).
A. The centripetal acceleration is constant if the particle’s speed is constant.
B. The tangential acceleration can be perpendicular to the velocity vector of the particle.
C. The centripetal acceleration is always in the direction perpendicular to the velocity vector
of the particle.
D. The acceleration is always perpendicular to the velocity vector of the particle.

3. What is the necessary and sufficient condition for conservation of linear momentum? (UEE:2008)
A. The presence of more linear than nonlinear forces in the system.
B. Net force on the system is zero.
C. The presence of only non-linear forces.
D. Internal forces exceed external forces.

4. Uniform circular motion is a:(UEE:2003)
A. Motion with constant velocity.
B. Motion in one dimension.
C. motion with acceleration of constant magnitude.
D. motion in which net force is constant

5. What is the direction to which a fish must push the water with its fins in order to propel eastward? (UEE: 2005).
A. eastward.
B. upward.
C. westward.
D. downward

6. Two projectiles are fired from ground level at equal speed but different angles. One is fired at angle of 30 degrees and the other at 60 degrees. The projectile to hit the ground first will be the on fired at (neglect air resistance). (UEE: 2006).
A. 60 degrees.
B. 30 degrees.
C. Both hit at the same time.
D. Cannot be determined from the given information.

7. Which one of the following statements is correct? (UEE: 2007)
A. An object moving toward the east cannot have acceleration toward the west.
B. If the average velocities of an object zero in some time interval, the average speed of the object for that time interval is also zero.
C. The velocity- time graph of an object moving with constant acceleration is parallel to the time axis.
D. An object having zero velocity can have acceleration different from zero.

8. An example of a body moving with constant speed but still accelerating is:
A. A body moving on a straight road.
B. A body moving on a straight rail way track.
C. A body moving in a circular path.
D. A body falling in a viscous fluid.

9. Which one of the following statement is correct regarding the motion in a plane (UEE:2010)
A. When a body movies in a horizontal circle, its velocity is constant.
B. When a body movies in a vertical circle, its speed is constant.
C. In projectile motion the horizontal component of the motion is uniformly accelerated
D. The centripetal force for a body moving in either vertical or horizontal circle is toward the center.

10. An object of mass M is set in a vertical circular motion. The tension T from the rope keeps the object in a circular path with speed v. Where does the rope experience a maximum tension? (UEE: 2011).
A. At the top of the circle.
B. At the bottom of the circle.
C. When the object is at half of the circle.
D. When it is at 45⁰ to the vertical line.

11. A shell is fired from a gun, whose barrel is inclined at an angle to the horizontal during the flight; the shell explodes in air into fragments. The center of mass of different fragments will follow: (UEE: 2011).
A. A horizontal straight line. .
B. A vertical straight line.
C. A parabola
D. An unpredictable path ANSWERS ON THE COMMENT SECTION TRY IT FIRST!

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Biology quiz

Instructions: Choose the best answer for each question.

1. Which organelle is responsible for cellular respiration?
  a) Ribosome
  b) Golgi apparatus
  c) Mitochondria
  d) Lysosome

2. What process converts light energy into chemical energy?
  a) Cellular respiration
  b) Chemosynthesis
  c) Photosynthesis
  d) Fermentation

3. DNA is primarily found in which part of the cell?
  a) Cytoplasm
  b) Cell membrane
  c) Nucleus
  d) Ribosomes

4. The process by which cells divide to create two identical daughter cells is called:
  a) Meiosis
  b) Mitosis
  c) Binary fission
  d) Both b and c (depending on the type of cell)

5. What is the basic unit of heredity?
  a) Gene
  b) Chromosome
  c) Protein
  d) Nucleus

6. Which of the following is NOT a type of RNA?
  a) mRNA
  b) tRNA
  c) rRNA
  d) dRNA

7. The process of converting mRNA into a protein is called:
  a) Transcription
  b) Translation
  c) Replication
  d) Transduction

8. Which type of bond holds together the two strands of a DNA molecule?
  a) Ionic bonds
  b) Covalent bonds
  c) Hydrogen bonds
  d) Peptide bonds

9. What is the name for the protective outer layer of a plant cell?
  a) Cell membrane
  b) Cell wall
  c) Cytoplasm
  d) Vacuole

10. Which process produces ATP without the use of oxygen?
   a) Aerobic respiration
   b) Anaerobic respiration
   c) Photosynthesis
   d) Protein synthesis


Answer👇

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Which of the following is a vector quantity?

(a) Mass
(b) Distance
(c) Velocity
(d) Time

The basic unit of life is the:

(a) Atom
(b) Molecule
(c) Cell
(d) Tissue

Question 5:

What is the SI unit of power?

(A) Joule
(B) Watt
(C) Newton
(D) Ampere

Geography Grade 11 New curriculum textbook book

Geography Teacher’s Guide Book for Grade 11

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Chemistry Teacher’s Guide Book for Grade 11

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