Sail E0 Webinar

General Knowledge > General Science

PHYSICS MCQs

Total Questions : 3767 | Page 75 of 377 pages
Question 741. The primary agent of contact metamorphism is
  1.    Temperature
  2.    Pressure
  3.    Weathering
  4.    Flowing water
 Discuss Question
Answer: Option A. -> Temperature
Question 742. For accurate scientific work, temperatures are often measured by
  1.    Mercury thermometers
  2.    Alcohol thermometers
  3.    Platinum resistance thermometers
  4.    Thermoelectric thermometers
 Discuss Question
Answer: Option C. -> Platinum resistance thermometers
Question 743. When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?
  1.    Hydrogen bond formation
  2.    Vander waals forces
  3.    Covalent attraction
  4.    Dipole interaction
 Discuss Question
Answer: Option A. -> Hydrogen bond formation
Question 744. In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?
  1.    To prevent the steam pressure from bursting open the pouch
  2.    To allow the heat to get into the food through the hole
  3.    To allow the microwaves to get into the food through the holes
  4.    To allow the aroma of the food to come out through the holes
 Discuss Question
Answer: Option A. -> To prevent the steam pressure from bursting open the pouch
Question 745. A real gas can act as an ideal gas in
  1.    High pressure and low temperature
  2.    Low pressure and high temperature
  3.    High pressure and high temperature
  4.    Low pressure and low temperature
 Discuss Question
Answer: Option B. -> Low pressure and high temperature
Question 746. The instrument that measures and records the relative humidity of air is
  1.    Hydrometer
  2.    Hygrometer
  3.    Lactometer
  4.    Barometer
 Discuss Question
Answer: Option B. -> Hygrometer
Question 747. If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?
  1.    Increases
  2.    Decreases
  3.    Unchanged
  4.    Depends upon the metal
 Discuss Question
Answer: Option A. -> Increases
Question 748. Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?
  1.    Pyrometer
  2.    Thermocouple
  3.    Thermometer
  4.    Thermistor
 Discuss Question
Answer: Option A. -> Pyrometer
Question 749. The value of coefficient of restitution in perfectly elastic collision is
  1.    0
  2.    0.5
  3.    1
  4.    2
 Discuss Question
Answer: Option C. -> 1
Question 750. Supercooling is cooling of liquid ________
  1.    Below melting point
  2.    Below freezing point
  3.    At melting point
  4.    Above melting point
 Discuss Question
Answer: Option B. -> Below freezing point

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0