# Which instrument is used to measure curvature of spherical objects ?

• Spectroscope
• Spherometer
• Spectrometer
• Sextant
Similar Questions :

## 1. If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this ?

• Newton first law
• Newton second law
• Newton third law
• Principle of conservation of linear momentum

## 2. Which is true

• In a static liquid at same horizontal level, pressure is more at centre
• In a static liquid at same horizontal level, pressure is less at centre.
• In a static liquid at same horizontal level, pressure is same at all points
• In a static liquid at same horizontal level, pressure is different at all points

• Manometer
• Machmeter
• Magnetometer
• Micrometer

## 4. Radian is used to measure

• Temperature
• Intensity of Flame
• Angle
• Solid Angle

## 5. Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings."

• Doppler's Effect
• Newton's law of cooling
• Kirchhoff's Law
• Stefan's Law