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Physics Questions Answers

Q1 :

A gas behaves like an ideal gas at

A
  

high pressure and low temperature

B
  

low pressure and high temperature

C
  

high pressure and high temperature

D
  

low pressure and low temperature

View Answer
Correct Answer: B

low pressure and high temperature

No Description Available
Q2 :

Consider the following elements:
I. Cobalt
II. Gold
III. Nickel
IV. Silver
Which of these are magnetic substances?

A
  

I and II

B
  

I and III

C
  

II and IV

D
  

III and IV

View Answer
Correct Answer: B

I and III

No Description Available
Q3 :

The most electronegative element among the following is

A
  

Fluorine

B
  

Oxygen

C
  

Sodium

D
  

Sulphur

View Answer
Correct Answer: A

Fluorine

No Description Available
Q4 :

The image of an object formed by a device is always virtual and small. The device in question is a —

A
  

concave lens

B
  

concave mirror

C
  

convex lens

D
  

glass plate

View Answer
Correct Answer: A

concave lens

No Description Available
Q5 :

Vinegar is chemically known as

A
  

Butanoic acid

B
  

Ethanoic acid

C
  

Methanoic acid

D
  

Propanoic acid

View Answer
Correct Answer: B

Ethanoic acid

No Description Available
Q6 :

Energy in an electric coil is stored in the form of —

A
  

dielectric strength

B
  

electrostatic strength

C
  

heat

D
  

magnetic field

View Answer
Correct Answer: D

magnetic field

No Description Available
Q7 :

Stainless steel is usually made by alloying the steel with —

A
  

Copper and nickel

B
  

Copper and Chromium

C
  

Chromium and nickel

D
  

Manganese and Copper

View Answer
Correct Answer: C

Chromium and nickel

No Description Available
Q8 :

Who discovered Cholera germs?

A
  

Robert Koch

B
  

Rene Laennec

C
  

Dreser

D
  

Hansen

View Answer
Correct Answer: A

Robert Koch

No Description Available
Q9 :

Who developed Hydrogen Bomb?

A
  

Wernher Von Braun

B
  

J. Robert Oppen Heimer

C
  

Edward Teller

D
  

Samuel Cohen

View Answer
Correct Answer: C

Edward Teller

No Description Available
Q10 :

Which one of the following would have highest number of molecules?

A
  

Ten grams of carbon dioxide

B
  

Ten grams of oxygen

C
  

Five grams of ammonia

D
  

One gram of hydrogen

View Answer
Correct Answer: D

One gram of hydrogen

No Description Available
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