Question
A spherical black body with a radius of 8 cm radiates 450-watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watts would be:
More Physics GS Questions
- Two capacitors of 6 µF and 3 µF are connected in series and a potential difference of 90 V is applied. The energy stored in the system is:
- Parsec is the unit of
- Which law states that the ratio of the potential difference across a conductor to the current through it is constant, provided the temperature remains cons...
- Which of the following is a characteristic of sound waves?
- If resistances R,2R,4R,8R… are connected in parallel, the equivalent resistance is:
- A body of mass 3 kg has a velocity of 4 m/s. Find its kinetic energy.
- When heated from 0° to 10°C volume of a given mass of water will -
- The mass density of Kerosene is:
- A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will...
- Two long parallel wires 2 cm apart carry 5 A and 3 A currents in the same direction. What is the force per unit length on one wire?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)