The dimension for force F?

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• Area of a sphere of radius 35cm is?
  • (A) 1.22 m²
  • (B) 0.043 m³
  • (C) 0.135 m³
  • (D) 0.0122 m²
  ►Correct Option
  
  Correct Option is: A
  

• The pressure is 2.5 atmospheres (atm). What is it in Pascal?
  • (A) 2.53×10⁸ Pa
  • (B) 2.53×10⁵ Pa
  • (C) 2.53×10⁴ Pa
  • (D) 2.53×10⁷ Pa
  ►Correct Option
  
  Correct Option is: B
  

• Blood pressure is normally measure with the effect of the Sphygnomanometer around the arm. Suppose that the blood pressure were measured with the cuff around the calf of the leg of a standing person?
  • (A) Greater than it is for the arm
  • (B) Less than it is for the arm
  • (C) The same as it is for the arm
  • (D) Can not be taken
  ►Correct Option
  
  Correct Option is: A
  

• A test car moves at constant speed of 10 m/s around a circular road of radius 50 m. Find its acceleration?
  • (A) 50.0 m/s²
  • (B) 5.0 m/s²
  • (C) 2.0 m/s²
  • (D) 0.2 m/s²
  ►Correct Option
  
  Correct Option is: C
  

• Diamond has?
  • (A) Three valence electrons
  • (B) Two valence electrons
  • (C) One valence electro
  • (D) Four valence electrons
  ►Correct Option
  
  Correct Option is: D
  

• The speed of sound in air is affected by changes in?
  • (A) Frequency
  • (B) Apmlitude
  • (C) Temperature
  • (D) Wavelength
  ►Correct Option
  
  Correct Option is: C
  

• How many electrons pass a cross section of the wire in time one hour where the current is 1A?
  • (A) 2.25×10²⁰
  • (B) 2.25×10¹⁸
  • (C) 5.00×10²⁰
  • (D) 2.250×10²²
  ►Correct Option
  
  Correct Option is: D
  

• The temperature of a gas of initial volume V1 in a glass container is increased from T1=200 K to T2=800 K. The new volume is V2, which equation is correct?
  • (A) V₁=V₂/2
  • (B) V₁=2V₂
  • (C) V₁=4V₂
  • (D) V₁=V₂/4
  ►Correct Option
  
  Correct Option is: D