Download App

Work, Power and Energy — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsWork, Power and Energy1 Mark
MCQ
Assertion (A): In the uniform circular motion, the body is acted upon by a centripetal force, normal to displacement.
Reason (A): In the uniform circular motion, work done by the body is zero.
  • A
    Both A and R are true and R is the correct explanantion of A .
  • ✓
    Both A and R are true but R is not the correct explanation of A .
  • C
    Assertion is false but reason is true.
  • D
    Assertion is true but reason is false.
✓

Answer

Correct option: B.
Both A and R are true but R is not the correct explanation of A .
B

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Work, Power and Energy→Work, Power and Energy — all question types→Physics STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

To an astronaut in a space-ship, the earth appears:
→
The amount of heat produce in 1 hour in a electric heater rated $500 W, 300 V$.
→
Make the correct choices in the following items :
A converging lens $B$ has the same focal length as a converging lens A, but only half the diameter, Both lens are used, separately, to form two images of building on a screen. which one of the follwing statements about the images is correct?
→
The most suitable material for making the core of an electromagnet __________ .
→
For levers of third order, the mechanical advantage is always
→
Calculate the height through which a crane can lift a load of 4 tonne when a motor of 1000 W is operating for 20 sec.:
→
Consider the following figure and answer the following answer?
Image
1. Step down transformer (City substation)
2. Step down transformer (Intermediate substation)
3. Step-up transformer
Choose the correct option?
→
A current is flowing through a voltage source in a resistor of $30 \Omega$ for 5 minutes. The heat produced will be ____________ .
→
A door lock is opened by turning the lever (handle) of length 0.2 m . If the moment of force produced is 1 Nm , then the minimum force required is:
→
Why in permanent magnet steel is used instead of soft iron?
→