दूरसंचार के लिए प्रयुक्त तरंगें हैं-
The waves used in telecommunications are:
Comprehensive collection of questions from General Science asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
The waves used in telecommunications are:
Food cooks faster in a pressure cooker because -
Fruits stored in a cold chamber exhibit longer storage life because -
Given below are an Assertion (A) and Reason (R) - Assertion (A): The handle of a pressure cooker is made of ebonite. Reason (R): Ebonite is strong. Which of the following is the correct answer?
Cloudy nights are warmer compared to clear, cloudless nights because clouds -
In summer, humid heat (muggy heat) is experienced when the weather is -
A corked bottle full of water breaks when frozen because -
Assertion (A): With an increase in temperature, the viscosity of glycerin increases. Reason (R): An increase in temperature increases the kinetic energy of molecules. Code:
The maximum temperature inside a pressure cooker will depend on -
When a bottle is filled with water and allowed to freeze, the bottle breaks because -
Overcast nights are warmer than clear nights because -
Which of the following reflects the highest percentage of sunlight compared to the other three?
When an ice cube floating in a glass of water melts, the water level -
Food cooks faster in a pressure cooker because -
Food cooks in less time in a pressure cooker because -
What change will occur in the volume of water if its temperature is lowered from 9°C to 3°C?
Arid/dry conditions refer to -
Food is cooked rapidly in a pressure cooker because -
When water is heated from 0°C to 10°C, its volume -
By keeping the door of a refrigerator open inside a closed room -
Consider the following statements - 1. The amount of heat in steam at 100°C and boiling water at 100°C is identical. 2. The latent heat of fusion of ice is equal to the latent heat of vaporization of water. 3. In an air conditioner, heat is extracted at the evaporator coils and released at the condenser coils. Which of these statements is/are correct?
If the volume of a gas at 27°C is compressed to half its initial volume, to what temperature must it be heated (at constant pressure) to regain its original volume?
The atmosphere exerts tremendous pressure on us, but we do not feel it because -
In a pressure cooker, the temperature at which food is cooked depends mainly on which of the following? 1. Area of the hole in the lid 2. Temperature of the flame 3. Weight of the lid / valve Select the correct answer using the code given below:
A polythene balloon filled with hydrogen is released from the ground. As it ascends to high altitudes in the atmosphere -