MEDIUM
DRDO MTS Tier - II
IMPORTANT
Earn 100

Which of the following are the discoveries of Einstein?

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Important Questions on Physics

EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 279
The cleaning of dirty clothes by soaps and detergents is due to a type of molecule called surfactants present in soaps and detergents. The surfactant molecules remove the dirt by _____.
MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 280
A convex mirror makes a good rear-view mirror for a car because:
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DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 283
Why is there a spluttering sound when water is sprinkled on hot oil?
MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 284

Give the correct sequence of the increasing order of the energies of the radiations given below:

1. Infrared rays

2. Radio waves

3. Visible light

4. Ultraviolet rays

EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 285

Consider the following metals:

1. Uranium

2. Radium

3. Plutonium

Which of these are used in making nuclear weapons?

EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 288
An astronaut of mass 60 kg is revolving around the earth in a satellite. What will be his weight inside the satellite assuming g =10 m/s2?
EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 289
From the following, the one representing a physical change is the:
EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Physics>MCQs>Q 290
Food is cooked faster in a pressure cooker because: