Physics [NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension]: Questions 66 - 70 of 73
Choose Programs:
🎯 816 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 400.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 66
Question MCQ▾
The tidal waves in the sea are primarily due to
Choices
Choice (4) | Response | |
---|---|---|
a. | The gravitational effect of the Sun on the Earth | |
b. | The atmosphere effect of the Earth itself | |
c. | The gravitational effect of Venus on the Earth | |
d. | The gravitational effect of the Moon on the Earth |
Question 67
Question MCQ▾
Which one among the following waves is called waves of heat energy?
Choices
Choice (4) | Response | |
---|---|---|
a. | Infrared waves | |
b. | Radio waves | |
c. | Microwaves | |
d. | Ultraviolet waves |
Question 68
Question MCQ▾
What is the average speed between time 4 min and 20 min?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 70
Appeared in Year: 2013
Question MCQ▾
A geo-stationary satellite is orbiting around earth at height of 30,000 km in circular orbit. The radius of the earth is taken as 6000 km. The geo-stationary satellite comes back to its position after one revolution in exacity 24 h. Let the acceleration due to gravity (g) be 10 m/s2 and mass of satellite be 1000 kg, calculate the work done in 12 h when moving under gravitational force.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |