Question 91 : Which one of the following ray has minimum wavelength
1. Gamma ray
2. Cosmic ray
3. Utraviolet ray
4. X-rays
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Question 92 : Which one type of radiation has the longest wave length
1. Infrared
2. Ultraviolet
3. X-ray
4. Radio Wave
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Question 93 : In SONAR which kind of wave is used
1. Infrasonic
2. Ultrasonic
3. Radio
4. Audible sound
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Question 94 : The velocity of the sound is highest in
1. Metal
2. Air
3. Water
4. Vacuum
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Question 95 : Hertz is the SI unit of
1. Weight
2. Power
3. Pressure
4. Frequency
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Question 96 : Light from Sun reaches Earth in approximately
1. 3 minutes
2. 8 minutes
3. 10 minutes
4. 12 minutes
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Question 97 : One light year is equal to
1. 2 trillion miles
2. 6 trillion miles
3. 8 trillion miles
4. 9 trillion miles
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Question 98 : Light year is the unit of
1. Length
2. Light
3. Speed
4. None of the above
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Question 99 : What is the size of Electron as comapared to Proton and Neutron
1. 1/355
2. 1/1236
3. 1/1836
4. Jan-23
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Question 100 : Proton carry a
1. Positive Charge
2. Negative Charge
3. Variable Charge
4. Neutral Charge
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